That smartphone in your pocket has already replaced your watch, your camera, several volumes of books, whatever music device you may carry, and even in many ways your desktop computer. As technology continues to gobble up and replace legacy devices with ever smaller hardware and ever more capable software, why are we still stuck with a DTMF keypad? As the task of communicating continues to move on to the web and into apps, what will happen to the PSTN. Today big carriers like AT&T are making plans to finally shut down the copper networks entirely. Let’s talk about the role of FreeSWITCH in this future world, and how can it enable the next generation of communications applications.

1. FreeSWITCH,
FreeSWITCH Everywhere,
and Not A Phone In Sight

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WHO AM I?
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Ben Klang

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WHY DOES THE TELEPHONE
STILL MATTER?
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WHY DOES THE TELEPHONE MATTER?
1. Ubiquitous connectivity
2. Simple, global addressing scheme
3. 911
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WHY DO TELEPHONES SUCK?
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WHY DO TELEPHONES SUCK?
1. Narrowband voice
2. DTMF or Speech as only input options
3. No ability to signal availability/presence
4. No separate signaling channel
5. Single media stream, with no possible upgrade
6. Byzantine regulatory and cost hurdles
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WHY DOES THE TELEPHONE
STILL MATTER?
IT’S THE LEAST COMMON DENOMINATOR.
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RESULT OF TELEPHONES SUCKING
•Telephone Minutes are declining
•App usage is growing
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R.I.P.
2006 ~ 2015

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WHAT CAN FREESWITCH DO
FOR WEB & MOBILE APPS?
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WHAT IS FREESWITCH GOOD AT?
• Detecting and generating DTMF
• Sending and receiving Faxes
• Connecting FXS/FXO, ISDN/PRI, SIP
• Answering Machine Detection
• Conferencing bridges
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WHAT IS FREESWITCH GOOD AT?
• Dealing with NAT
• Taming misbehaving endpoints
• Transcoding any audio to any other audio codec
• Dealing with Websockets & SIP sockets &
EventSockets and all other kinds of sockets
• Playing and Recording lots of media
• Connecting thing A to thing B
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WHAT WILL FREESWITCH BE GOOD AT?
• Video transcoding: H.264 / VP8
• MCU - Video mixing
• Bridging signaling types (SIP/Verto)
• Connecting legacy endpoints to the Web
• Engine for media applications
• Avatars/software personalities
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Ben Klang
@bklang
@MojoLingo