Transcript sip323 - SIP/H.323 signaling gateway

© 2000, Columbia University
H.323
SIP
SIPUA
Gatekeeper
© 2000, Columbia University
Registrations in both networks
sipserver
REGISTER
RRQ
Gatekeeper
3xx
INVITE
Movedsip323@office.com sip323@office.com
SETUP sam@home.com
INVITE
SETUP
INVITE
sam@home.com
Contact:
To: henry
sip323@pc1.office.comContact: pc1.office.com
To: henry
SIPUA
sam@home.com
henry
$ sip323 -v -i -n sip323@office.com -p sipserver
© 2000, Columbia University
Use built-in gatekeeper
REGISTER
Henry@office.com
7040@office.com
henry@lab.com
INVITE
7040@office.com
3xx
Moved
INVITE 7040@pc1.office.com
Contact: 7040@pc1.office.com
Gatekeeper
RRQ Henry, 7040, henry@lab.com
SETUP
Gatekeeper
Contact: 128.59.19.198
SIPUA
sam@home.com
Henry
128.59.19.198
$ sip323 -v -i -a -r -p sipserver -d office.com
© 2000, Columbia University
Pre-configured address
henry
7040
SETUP
Alias: 7040
H.323
SIP/PSTN gateway
128.59.19.194
SETUP
Alias: 7063
alice
7063
$ sip323 -v -i -a -r -H 128.59.19.194
© 2000, Columbia University
SIP
Different dialing modes
H.323
Henry
INVITE Henry@pc1.office.com
INVITE sip323@office.com
To: homepc.com
sip323@office.com
pc1.office.com
homepc.com
INVITE 128.59.19.61@pc1.office.com
Bob
128.59.19.61
© 2000, Columbia University
SIP
H.323
Different dialing modes
SETUP sam@office.com
Sam
sip:sam@office.com
SETUP labpc_host.lab.com
labpc_host.lab.com
SETUP 7050
7050@domain.com
© 2000, Columbia University
• SIP and H.323 version 2.0
• H.323 fast-start as well as normal call
• Multiple simultaneous independent calls
• Unix as well as Windows
http://www.cs.columbia.edu/~kns10/software/gw
© 2000, Columbia University