Mobile VoIP Eric Chamberlain Founder, RF.com

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  • What is Mobile VoIP?Mobile networks and hardwareWhy does Mobile VoIP matter?Questions?
  • Source: wirelessintelligence.com
  • - Free/Pay Wifi Hotspots in US: 62,668 (JiWire, July 7, 2008)- Maximum coverage area of a single WiFi Hotspot: 300 foot radius (Cisco Systems)- Total contiguous US WiFi coverage: 635 square miles (if all hotspots were adjacent, no overlap)
    - 20% of metro SF Area
  • 3.5 billion by the end of 2008.
    640 million in 2000.
  • Mobile VoIP Eric Chamberlain Founder, RF.com

    1. 1. RingFree Mobility Inc. © 2009 Mobile VoIP Eric Chamberlain Founder, RF.com eric@rf.com
    2. 2. RingFree Mobility Inc. © 2009 What is MobileVoIP? • VoIP calling to and from mobile devices • Calling everywhere from anywhere sip:eric@rf.com WiFiGSM
    3. 3. RingFree Mobility Inc. © 2009 Challenges • Mobile carriers • Varying network conditions • Limited computing resources • VoIP is complex • Codecs
    4. 4. RingFree Mobility Inc. © 2009 Goals • Easy to use • Desk phone parity • Any mobile phone/device • AnyVoIP provider or IP PBX • Mobility
    5. 5. Confidential - RingFree Mobility Inc. © 2008 Global Technology Market Shares
    6. 6. RingFree Mobility Inc. © 2009 WiFi • Good bandwidth for signaling • Good bandwidth for media stream • Limited coverage (~282,000 hotspots) • No mobile signal • Roaming is a challenge
    7. 7. RingFree Mobility Inc. © 2009 3G • Good forVoIP signaling • Ok forVoIP media stream • Limited coverage
    8. 8. RingFree Mobility Inc. © 2009 EDGE • Good for signaling • Poor for media stream • General coverage
    9. 9. RingFree Mobility Inc. © 2009 GPRS • OK for signaling • Bad for media stream • Available where mobile signal is available
    10. 10. RingFree Mobility Inc. © 2009 Mobile devices • Mobile Phones • PDAs • Smartphones
    11. 11. RingFree Mobility Inc. © 2009 What about a SIP stack? • Stack sips your battery • Not architected for mobility • Most mobile devices don’t have SIP stacks
    12. 12. RingFree Mobility Inc. © 2009 Alternative to SIP? • HTTP/XMPP/SMS (signaling) • Could even be WAP • Call local POP (media stream) • Minutes are cheap • Voice channel was designed for voice • Server converts call to SIP and completes
    13. 13. RingFree Mobility Inc. © 2009 Why does MobileVoIP matter? • 3.5+ billion subscribers • 1,050 mobile networks • 282,000+WiFi hotspots
    14. 14. RingFree Mobility Inc. © 2009 Consumers • 18% of U.S. households are mobile only • Want mobility • Want advanced features • Don’t want to buy, wait, and manage equipment
    15. 15. RingFree Mobility Inc. © 2009 IT managers • Reduce costs • Move international calls toVoIP • Mobile workforce • Advanced features outside the office
    16. 16. RingFree Mobility Inc. © 2009 VoIP Providers • Customers don’t have to be at home or work to use minutes • Reduced hardware, provisioning, shipping, & RMA costs • Up-sell advanced features
    17. 17. RingFree Mobility Inc. © 2009 How can you get started? • Visit our site http://rf.com/ • Check with yourVoIP provider • A mobile SIP client may already be in your phone
    18. 18. RingFree Mobility Inc. © 2009 Questions • EveryVoIP provider should become a Mobile VoIP provider • Every mobile phone should provision like a desk phone • Consumers should get the same functionality Eric Chamberlain Founder, RF.com eric@rf.com

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