Transcript sipum - SIP/RTSP based Unified messaging

© 2000, Columbia University
• Voicemail and answering machine
• Integrates with Internet telephony, web and email
© 2000, Columbia University
Campus/corporate network
rtspd
sipum
© 2000, Columbia University
Application Service Provider
sipum
rtspd
Internet
© 2000, Columbia University
Kns10
How does it work ?
sip1.cs;
INVITE
kns10@sip1
CANCEL
INVITE kns10@cs
200 OK
Email to kns10
INVITE kns10-voicemail
user1
RTP
INVITE kns10@vm
200 OK
RTP/RTCP
Quick-time
v-mail
vm.cs;
SETUP
SETUP/PLAY
Once
the
call
is closed
bycontacts
user1,
v-mail
sends an
After
Kns10
10
can
seconds
listen
to
v-mail
voice
mail
using
the either
Now
user
message
gets
recorded
Sipd
V-mail
forks
accepts
the
request
the
call.
to
kns10’s
phone
and
voicemail.
Sipd cancels
...accepts
the the
call
other
frombranch
user1.
and ...of a voice
email
to
kns10
informing
the
arrival
mail
aRTSP
RTSP
server
client
for
like
recording.
quicktime
orsipd.
...
User1
calls
kns10@cs
through
...by
calling
the
v-mail
“kns10-voicemail@vm”.
rtspd
RTSP
© 2000, Columbia University
Web and email integration !!
© 2000, Columbia University
What’s more ?
• Video and fax can be integrated
• Can use SIP-CGI