The document discusses FreePBX, an open source telephony platform based on Asterisk. It provides an overview of FreePBX's features and functionality, including extensions, voicemail, IVRs, time conditions, call routing, and more. It also discusses FreePBX's architecture and how modules are used to extend its capabilities.

1. Open Telephony The FreePBX ® Way Presented at Asterisk World, 2008 San Jose by Philippe Lindheimer FreePBX Project Leader http://freepbx.org

2. What is Open Telephony? +

3. A Revolutionary Telephony Platform is Born

25. The End Thank You for Listening http://freepbx.org

59. Return from IVR Making complex IVR trees Day IVR Sales Support Billing 1 2 3 Night IVR Sales Support Billing Msg 1 2 3 Support IVR Residental Contractors Main Menu 1 2 9 Return to IVR Tip: Use “Return to IVR” with IVR’s and Announcements that will be called from multiple parents.

63. CallerID Handling Originated Call From User or Forwarded Call (CF, Follow-Me, etc.) Emer- gency Route Emer- gency CID? Intra- Company Outbound CID Trunk CID Trunk CID Set Never Overide CID CID Set? Trunk CID? Use Emer- gency CID Use Internal CID Use Outboundcid Use Trunk CID Yes Yes Yes No Yes No No No Use Extension (Undefined Results) No Use Forwarded CID Use Trunk CID Use Trunk CID No CID Transmitted No No No Outbound Call Flow CallerID Yes No Yes Yes Yes If CallerID(name) == “hidden” (“hidden” <2124351234>) SetCallerPres(prohib_passed_screen) Internal Caller?

64. DUNDi 101 - Redundancy Outbound Call Flow DUNDi & Branch Offices Chicago Ann Arbor Cleveland Indianapolis Milwaukee Detroit Madison IAX Trunk Media Path

65. Advanced FreePBX Features VmX™ & Follow-Me Dial Attempt Aleternative Optional 0 or 2 VmX Locater™ Incoming Call Unavail Msg #home #cell Voice Mail System Confirmation Cell Voicemail ANSWER VmX Locater™ Busy Msg Busy # or No choice Press 1 No Answer

66. FreePBX Internals Architecture Module Plugin Logic LAMPA Stack (Linux – Apache – MySQL – PHP – Asterisk) FreePBX Core Application Libraries Module Plugin Libraries FreePBX Core Dialplan Objects Module Plugin Objects Authorization / Security FreePBX Framework and Core Logic FreePBX Core API Module Plugin API FreePBX GUI Module Plugin GUI FreePBX Config MySQL DB

67. FreePBX Internals Architecture FreePBX GUI Business Logic MySQL Config Storage Dialplan Generation & Business Logic Astdb Asterisk Environment page.dispname.php functions.inc.php retrieve_conf Dialplan & Configuration files voicemail.conf AGI & System Scripts

68. Inbound Call Flow Types of Modules extension, vm or featurecode extension, vm or featurecode From Previous Module Destination Modules Multi-Destination Modules (e.g. IVR, Time-Conditions, Day/Night Control) From Previous Module Destination Module (or extension, vm, featurecode) Simple Module (e.g. Announcement) extension, vm or featurecode Destination Module (or extension, vm, featurecode) From Previous Module Common Module (e.g. Ring Group, Queues, Follow-Me)