sip beyond voip

SIP beyond VoIPSaúl Ibarra Corretgé | AG Projects

AG Projects SIP beyond VoIPThe SIP Infrastructure Experts

AG Projects

● SIP infrastructure for providers

● SIPThor: horizontal scalability

● Software projects:

● Blink● SIP SIMPLE SDK● SylkServer● MediaProxy● OpenXCAP● MSRPRelay


Did you use SIP for non-VoIP related stuff?

What do we use SIP for?

... booooooooring!

To emulate PSTN

¿Can you sendit over E-Mail?

Did it also happen to you?


Beyond VoIP

● SIP was designed to be extensible● Audio & video (RTP) are only 2 examples

of possible media streams● There are 10s of RFCs already defined,

it's time to get our hands dirty


7 years ago...

Published in July 2005

No, seriously

SIP beyond VoIP

PresenceNew media

typesCollaboration

tools


Presence


SIMPLE presence

● SIP for Instant Messaging and Presence Leveraging Extensions

● IETF WG who delivered instant messaging and presence for SIP

● SIMPLE defines an extensible framework based in the Pub-Sub model

● SUBSCRIBE● PUBLISH● NOTIFY

● Extended in several RFCs


SIMPLE presence

● Presence, 21st century's ringtone?

● We need to syncronize the time for communication


SIMPLE is not simple


New media types


MSRP

● Message Session Relay Protocol

● The “beyond VoIP” media type

● Session based IM for SIP

● RFC 3428 (SIP MESSAGE) is not true IM

● Just a couple of RFCs! (4975 & 4976)


MSRP

● With MSRP a TCP connection is negotiated between endpoints

● Chat sessions● File transfer (RFC 5547)● Desktop sharing

– VNC over MSRP (expired draft)

– Image streaming


Collaborationtools


SIP Conferencing

● Current conference servers are usually just RTP mixers

● Conferences need additional context aware information

● Enhancing conferencing with SIP. Today.

● New media types● Session information● Participants information● Shared resources


SIP Conferencing

● Extensible framework defined in a few RFCs: 4575, 4353, 4579, draft-ietf-simple-chat

● Uses Pub-Sub framework: PUBLISH, SUBSCRIBE y NOTIFY (same as presence, MWI)

● Conference control operations: REFER method


Contact: <sip:[email protected]:5060>;isfocus


SylkServer

● Open Source conferencing server● Built on top of SIPSIMPLE SDK

● Features● HD audio conferencing● Multiparty ad-hoc chatrooms● Participants information● File transfers (push / pull)● Screen sharing

http://sylkserver.com

http://sylkserver.com/


Blink

● A “SIP beyond VoIP” client● Some stuff is in progress ;-)

● Cross platform and Open Source

http://icanblink.com

http://icanblink.com/


Blink Cocoa

● HD audio

● Chat

● File transfers

● Desktop sharing

● Rich conferencing

● Contact sync (XCAP)

● Acoustic Echo Cancellation (AEC)


Blink Qt


Go beyond VoIP today


BYE

1. VoIP is old and boring

2. Our customers need help

3. Use Open Standards and Open Source

4. “Let's build it before we're too old to enjoy it”

Carl G. Fisher

5. “Skate to where the puck is going to be, not

where it has been”Wayne Gretzky


BYE sip:audience@fosdem2012 SIP/2.0Via: SIP/2.0/UDP 192.168.99.23:49919;rport;branch=z9hG4bKPjDb30Dx0sH-ozn9QB.cCCboyU.atR97aMMax-Forwards: 70From: "saghul" <sip:[email protected]>;tag=UCpGKVZbQQx7BUKYtiuPEX668oa9jaU7To: <sip:audience@fosdem2012>;tag=as59aef35cCall-ID: DEWDfu63OACwYeQk7MrhmRhRq.1cqqisCSeq: 10633 BYERoute: <sip:81.23.228.129;lr;ftag=UCpGKVZbQQx7BUKYtiuPEX668oa9jaU7;did=641.a8a9c553>User-Agent: blink-0.20.2Content-Length: 0

[email protected]

sip:[email protected]

@saghul

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