SIP/RTSP based unified messaging

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Presentation transcript:

SIP/RTSP based unified messaging sipum SIP/RTSP based unified messaging Voicemail and answering machine Integrates with Internet telephony, web and email

Campus/corporate network Application - within a domain sipum Campus/corporate network sipd sipum rtspd Application - within a domain

Application - external service provider sipum sipd Internet e*phone Application Service Provider sipum rtspd Application - external service provider

sipum sipd How does it work ? After 10 seconds v-mail contacts the sip1.cs; Kns10 How does it work ? INVITE kns10@sip1 CANCEL INVITE kns10-voicemail user1 sipd Email to kns10 INVITE kns10@cs 200 OK RTP/RTCP INVITE kns10@vm 200 OK RTP Quick-time RTSP v-mail vm.cs; SETUP SETUP/PLAY After 10 seconds v-mail contacts the RTSP server for recording. Kns10 can listen to voice mail using either a RTSP client like quicktime or ... Once the call is closed by user1, v-mail sends an email to kns10 informing the arrival of a voice mail Now user message gets recorded rtspd Sipd forks the request to kns10’s phone and voicemail. Sipd cancels the other branch and ... ...accepts the call from user1. V-mail accepts the call. User1 calls kns10@cs through sipd. ...by calling the v-mail “kns10-voicemail@vm”.

sipum Web and email integration !!

sipum http://www.cs.columbia.edu/~kns10/software/sipum What’s more ? Video and fax can be integrated Can use SIP-CGI http://www.cs.columbia.edu/~kns10/software/sipum