RingFree Mobility Inc. © 2009

Mobile VoIP

Eric ChamberlainFounder, RF.com

eric@rf.com

RingFree Mobility Inc. © 2009

What is Mobile VoIP?

•VoIP calling to and from mobile devices

•Calling everywhere from anywhere

sip:eric@rf.com

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. © 2009

3G

•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 don’t 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

•Don’t 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 don’t 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 http://rf.com/

•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 ChamberlainFounder, RF.com

eric@rf.com