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Developing SIP Applications

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    Developing SIP Applications - Presentation Transcript

    1. Sep 16th, 2008 TMC Communication Developer Conference Developing SIP Applications RJ Auburn CTO rj@voxeo.com © Voxeo Corporation
    2. Telephony © Voxeo Corporation
    3. Sucks © Voxeo Corporation - Confidential
    4. Complex © Voxeo Corporation
    5. Arcane © Voxeo Corporation
    6. Proprietary © Voxeo Corporation
    7. This is not how it should be... © Voxeo Corporation
    8. Simple © Voxeo Corporation
    9. Ubiquitous © Voxeo Corporation
    10. Open © Voxeo Corporation
    11. What to do? © Voxeo Corporation
    12. Leverage The Web Model © Voxeo Corporation
    13. Utilize Standards © Voxeo Corporation
    14. SOAP/REST © Voxeo Corporation - Confidential
    15. What Does It Look Like? © Voxeo Corporation
    16. Application API XML Tools Platform 16 © Voxeo Corporation
    17. Application JSR289, CCXML REST, & Designer SOAP VoiceXML Prophecy 17 © Voxeo Corporation
    18. Application Application API XML Tools Platform 18 © Voxeo Corporation
    19. Building Blocks © Voxeo Corporation
    20. Session Initiation Protocol - Session Initiation Protocol (SIP) defines how to establish a communication session between two endpoints - Primarily used for voice, but can for IM or virtually any other protocol - Almost always used in client/server configuration with \"SIP proxies\" in control of \"SIP endpoints\" - Work going on in P2PSIP - see www.p2psip.org - Text-based protocol, originally modeled on HTTP © Voxeo Corporation
    21. SIP Communication INVITE Alice 180 RINGING Bob 200 OK ACK RTP (voice) BYE 200 OK © Voxeo Corporation
    22. Proxy Proxy A SIP B P SIP SI Alice RTP Bob © Voxeo Corporation
    23. SIP Resources - Internet Engineering Task Force (IETF) - RFC 3261 - Hitchhiker’s Guide to SIP - Open Source Info - VoIP Info Wiki: www.voip-info.org - Industry Sites - SIP Forum: www.sipforum.org - SIP Foundry: www.sipfoundry.org - OpenSBC: www.opensourcesip.org © Voxeo Corporation
    24. Open Source SIP Software - Systems - Asterisk: www.asterisk.org - sipXecs: www.sipfoundry.org - FreeSWITCH: www.freeswitch.org - OpenSER: www.openser.org - SIP Stacks - reSIProcate: www.resiprocate.org - Phones: - Gizmo: www.gizmoproject.org - MANY, many more: www.voip-info.org © Voxeo Corporation
    25. Religion © Voxeo Corporation
    26. XML © Voxeo Corporation
    27. CCXML - Call Control XML (CCXML) is the W3C standard for call control using XML - Sister standard to VoiceXML - Integrates with VoiceXML for dialog control - Provides a framework for issuing call control commands and handling call control events - http://www.w3.org/TR/ccxml/ © Voxeo Corporation
    28. © Voxeo Corporation
    29. CCXML Hello World <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml version=\"1.0\"> <eventprocessor> <transition event=\"connection.alerting\"> <log expr=\"'***** CONNECTION ALERTING *****'\"/> <if cond=\"event$.connection.remote == '8315551234'\"> <reject/> <else/> <accept/> </if> </transition> <transition event=\"connection.connected\"> <log expr=\"'***** CALL WAS ANSWERED *****'\"/> </transition> <transition event=”connection.disconnected”> <log expr=”‘*** Call was disconnected ***’”/> <exit/> </transition> <transition event=\"error.*\"> <log expr=\"'an error has occured (' + event$.reason + ')'\"/> <exit/> </transition> </eventprocessor> </ccxml> © Voxeo Corporation
    30. Java? © Voxeo Corporation
    31. SIP Servlets - Standard Java based API for writing SIP applications. - 1.0 standardized as JSR-116. - 2.0 just released as JSR-289 - Extends the HTTP Servlet model to support SIP and telephony applications - http://www.sipservlet.com/ - Supported by a large number of application servers including Oracle (BEA), IBM, Sun, Voxeo. 31 © Voxeo Corporation
    32. Converged Applications © Voxeo Corporation
    33. JSR-309 - Java Media Server API - Based on the CCXML media model - Still in draft stage - Provides dialog resources, conferencing, media routing to Java applications 33 © Voxeo Corporation
    34. Example Application © Voxeo Corporation
    35. Sample Application Overview - Caller dials in to the application - Caller is bridged to the subscriber - Results of the call attempt are posted to Twitter via their REST API 35 © Voxeo Corporation
    36. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 36 © Voxeo Corporation
    37. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 37 © Voxeo Corporation
    38. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <?xml version=\"1.0\" encoding=\"UTF-8\"?> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <ccxml version=\"1.0\" is id2=\"incomingcall\"/> <join id1=\"event$.connectionid\" <var name=\"status\" expr=\"'RJ on the phone'\"/> xmlns=\"http://www.w3.org/2002/09/ccxml\"> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </ccxml> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 38 © Voxeo Corporation
    39. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 39 © Voxeo Corporation
    40. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> <var name=\"state\" expr=\"'init'\"/> </transition> <var name=\"incomingcall\"/> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <var name=\"tURL\" <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <eventprocessor statevariable=\"state\"> his phone'\"/> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering </eventprocessor> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 40 © Voxeo Corporation
    41. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 41 © Voxeo Corporation
    42. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <transition event=\"connection.alerting\" state=\"init\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <accept/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" </transition> target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 42 © Voxeo Corporation
    43. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 43 © Voxeo Corporation
    44. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"init\"> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <assign name=\"state\" expr=\"'calling'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> </transition> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 44 © Voxeo Corporation
    45. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 45 © Voxeo Corporation
    46. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <transition dest=\"'tel:+18312392883'\"/> <createcall event=\"connection.connected\" state=\"calling\"> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <assign name=\"state\" expr=\"'connected'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <assign name=\"state\" expr=\"'connected'\"/> id2=\"incomingcall\"/> <join id1=\"event$.connectionid\" <var name=\"status\" expr=\"'RJ is on the phone'\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" <send target=\"tURL\" namelist=\"status\"/> name=\"'update'\" targettype=\"'basichttp'\" </transition> target=\"tURL\" namelist=\"status\"/> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> </transition> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 46 © Voxeo Corporation
    47. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 47 © Voxeo Corporation
    48. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <transition event=\"connection.failed\" state=\"calling\"> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <assigntargettype=\"'basichttp'\" name=\"'update'\" <send name=\"state\" expr=\"'done'\"/> target=\"tURL\" namelist=\"status\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <send targettype=\"'basichttp'\" name=\"'update'\" <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <sendtarget=\"tURL\" namelist=\"status\"/> targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 48 © Voxeo Corporation
    49. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 49 © Voxeo Corporation
    50. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <transition name=\"state\" expr=\"'connected'\"/> <assign <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> state=\"connected\"> event=\"connection.disconnected\" <assignname=\"status\" expr=\"'RJ isname=\"'update'\" <var on the phone'\"/> name=\"state\" expr=\"'done'\"/> <send targettype=\"'basichttp'\" target=\"tURL\" namelist=\"status\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <send targettype=\"'basichttp'\" name=\"'update'\" <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> target=\"tURL\" namelist=\"status\"/> <send targettype=\"'basichttp'\" name=\"'update'\" </transition>target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 50 © Voxeo Corporation
    51. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 51 © Voxeo Corporation
    52. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" <transition event=\"send.successful\" state=\"done\"> target=\"tURL\" namelist=\"status\"/> </transition> <exit/> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> </transition> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 52 © Voxeo Corporation
    53. Follow Me/Find Me + Twitter <?xml version=\"1.0\" encoding=\"UTF-8\"?> <ccxml xmlns=\"http://www.w3.org/2002/09/ccxml\" version=\"1.0\"> <var name=\"state\" expr=\"'init'\"/> <var name=\"incomingcall\"/> <var name=\"tURL\" expr=\"'http://zscgeek:password@twitter.com/statuses/update.xml'\"/> <eventprocessor statevariable=\"state\"> <transition event=\"connection.alerting\" state=\"init\"> <accept/> </transition> <transition event=\"connection.connected\" state=\"init\"> <assign name=\"state\" expr=\"'calling'\"/> <assign name=\"incomingcall\" expr=\"event$.connectionid\"/> <createcall dest=\"'tel:+18312392883'\"/> </transition> <transition event=\"connection.connected\" state=\"calling\"> <assign name=\"state\" expr=\"'connected'\"/> <join id1=\"event$.connectionid\" id2=\"incomingcall\"/> <var name=\"status\" expr=\"'RJ is on the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.failed\" state=\"calling\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is not answering his phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"connection.disconnected\" state=\"connected\"> <assign name=\"state\" expr=\"'done'\"/> <var name=\"status\" expr=\"'RJ is off the phone'\"/> <send targettype=\"'basichttp'\" name=\"'update'\" target=\"tURL\" namelist=\"status\"/> </transition> <transition event=\"send.successful\" state=\"done\"> <exit/> </transition> </eventprocessor> </ccxml> 53 © Voxeo Corporation
    54. We Got Java Bean! © Voxeo Corporation
    55. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 55 © Voxeo Corporation
    56. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 56 © Voxeo Corporation
    57. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; com.voxeo.rj.fmdemo; package List<URI> targets; public void init() throws ServletException { import java.io.IOException; twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); import java.util.ArrayList; targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); import java.util.List; targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } import javax.servlet.ServletException; import javax.servlet.sip.*; protected void doInvite(SipServletRequest req) throws ServletException, IOException { if import net.unto.twitter.Api; (req.isInitial()) { Proxy proxy = req.getProxy(); import net.unto.twitter.TwitterException; proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 57 © Voxeo Corporation
    58. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 58 © Voxeo Corporation
    59. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { public class FMServlet extends SipServlet Api twitter_api; List<URI> targets; { public void init() ServletException { public void init() throws throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); } targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); protected void doInvite(SipServletRequest req) } throws ServletException, IOException { protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { } Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); protected void doSuccessResponse(SipServletResponse resp) } } throws IOException { } if (resp.getMethod().equalsIgnoreCase(\"invite\"))resp) throws IOException { protected void doSuccessResponse(SipServletResponse { } try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 59 © Voxeo Corporation
    60. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 60 © Voxeo Corporation
    61. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; Api twitter_api; List<URI> targets; List<URI> void init() throws public targets; ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); public void init() throws ServletException { targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); twitter_api = new Api(\"zscgeek\", \"password\"); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); SipFactory sipFactory = } (SipFactory)getServletContext().getAttribute(SIP_FACTORY); protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { targets = Proxy proxy = req.getProxy(); new ArrayList<URI>(); proxy.setRecordRoute(true); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); proxy.setParallel(true); proxy.proxyTo(targets); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); } } targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); protected void doSuccessResponse(SipServletResponse resp) throws IOException { } if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 61 © Voxeo Corporation
    62. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 62 © Voxeo Corporation
    63. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api protected void doInvite(SipServletRequest twitter_api; req) throws List<URI> targets; public void init() throws ServletException { { ServletException, IOException if (req.isInitial()) { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); Proxy proxy = req.getProxy(); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); proxy.setRecordRoute(true); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } proxy.setParallel(true); protected void proxy.proxyTo(targets);throws ServletException, IOException { doInvite(SipServletRequest req) if (req.isInitial()) { } Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); } proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 63 © Voxeo Corporation
    64. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 64 © Voxeo Corporation
    65. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { protected void doSuccessResponse(SipServletResponse Api twitter_api; List<URI> targets; resp) throws IOException { public void init() throws ServletException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); { targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); trytargets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); { targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { } catch(TwitterException e){log(\"failed to update twitter\",e);} Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); } proxy.setParallel(true); proxy.proxyTo(targets); } } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 65 © Voxeo Corporation
    66. Follow Me/Find Me + Twitter package com.voxeo.rj.fmdemo; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.sip.*; import net.unto.twitter.Api; import net.unto.twitter.TwitterException; public class FMServlet extends SipServlet { Api twitter_api; List<URI> targets; public void init() throws ServletException { twitter_api = new Api(\"zscgeek\", \"password\"); SipFactory sipFactory = (SipFactory)getServletContext().getAttribute(SIP_FACTORY); targets = new ArrayList<URI>(); targets.add(sipFactory.createURI(\"sip:rj@voxeo.com\")); targets.add(sipFactory.createURI(\"sip:rj@rjauburn.com\")); targets.add(sipFactory.createURI(\"sip:8312392883@provider.com\")); } protected void doInvite(SipServletRequest req) throws ServletException, IOException { if (req.isInitial()) { Proxy proxy = req.getProxy(); proxy.setRecordRoute(true); proxy.setParallel(true); proxy.proxyTo(targets); } } protected void doSuccessResponse(SipServletResponse resp) throws IOException { if (resp.getMethod().equalsIgnoreCase(\"invite\")) { try { twitter_api.updateStatus(\"RJ is taking a phone call from \" + resp.getRequest().getRequestURI()); } catch (TwitterException e) {log(\"failed to update twitter\",e);} } } } 66 © Voxeo Corporation
    67. So why is this important? © Voxeo Corporation
    68. Phone Developers Web Developers Web Developers © Voxeo Corporation
    69. Web © Voxeo Corporation
    70. Ideas We have Never Thought Of © Voxeo Corporation
    71. Standards Matter © Voxeo Corporation
    72. Example Usage © Voxeo Corporation
    73. Project Green Phone - By Mark Headd - http://www.voiceingov.org/blog/?p=135 - VoiceXML, JavaScript, CCXML, PHP - Application: - Caller dials in to app - App uses ANI/Caller ID and makes web service query to a database to determine location - Makes another web service query to find location of nearest E85/Biodiesel stations - Relays information to caller - Sends caller a SMS text msg with info © Voxeo Corporation
    74. Rocketsource.org - www.rocketsource.org - Vox-Attendant - A VoiceXML-based, speech-driven auto attendant that can connect callers with any person or group with an enterprise, via their desk, cellular, or VoIP phones. - Vox-Mail - A VoiceXML-based, speech-driven voicemail application that can store messages locally or integrate with any IMAP email server to provide basic unified messaging. - Voice Conference Manager - A VoiceXML and CCXML-based, speech-driven conference manager that features both phone and web-based conference call creation, access, and management. - VoiceXML, CCXML, grXML, JavaScript, Java, and Python © Voxeo Corporation
    75. Wrapping Up © Voxeo Corporation
    76. Look at the big picture © Voxeo Corporation http://flickr.com/photos/txd/100437832
    77. More then one way to skin a cat! © Voxeo Corporation
    78. Avoid the Mouse Trap © Voxeo Corporation
    79. Be ready to scale © Voxeo Corporation
    80. © Voxeo Corporation
    81. RJ Auburn rj@voxeo.com http://www.voxeo.com/prophecy http://evolution.voxeo.com © Voxeo Corporation

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