RingFree Mobility Inc. © 2009 Mobile VoIP Eric Chamberlain Founder, RF.com
RingFree Mobility Inc. © 2009 What is Mobile VoIP? VoIP calling to and from mobile devices Calling everywhere from anywhere WiFi GSM
RingFree Mobility Inc. © 2009 Challenges Mobile carriers Varying network conditions Limited computing resources VoIP is complex Codecs
RingFree Mobility Inc. © 2009 Goals Easy to use Desk phone parity Any mobile phone/device Any VoIP provider or IP PBX Mobility
Confidential - RingFree Mobility Inc. © 2008 Global Technology Market Shares
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
RingFree Mobility Inc. © G Good for VoIP signaling Ok for VoIP media stream Limited coverage
RingFree Mobility Inc. © 2009 EDGE Good for signaling Poor for media stream General coverage
RingFree Mobility Inc. © 2009 GPRS OK for signaling Bad for media stream Available where mobile signal is available
RingFree Mobility Inc. © 2009 Mobile devices Mobile Phones PDAs Smartphones
RingFree Mobility Inc. © 2009 What about a SIP stack? Stack sips your battery Not architected for mobility Most mobile devices dont have SIP stacks
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
RingFree Mobility Inc. © 2009 Why does Mobile VoIP matter? 3.5+ billion subscribers 1,050 mobile networks 282,000+ WiFi hotspots
RingFree Mobility Inc. © 2009 Consumers 18% of U.S. households are mobile only Want mobility Want advanced features Dont want to buy, wait, and manage equipment
RingFree Mobility Inc. © 2009 IT managers Reduce costs Move international calls to VoIP Mobile workforce Advanced features outside the office
RingFree Mobility Inc. © 2009 VoIP Providers Customers dont have to be at home or work to use minutes Reduced hardware, provisioning, shipping, & RMA costs Up-sell advanced features
RingFree Mobility Inc. © 2009 How can you get started? Visit our site Check with your VoIP provider A mobile SIP client may already be in your phone
RingFree Mobility Inc. © 2009 Questions Every VoIP 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