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C-11
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
Appendix C SIP Call Flows
Call Flow Scenarios for Successful Calls
2.
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
Call-ID: 4074632257@192.168.2.163
From: <sip:9313@cisco.com;user=phone>;tag=2274744465
To: <sip:9314@cisco.com;user=phone>
CSeq: 1 INVITE
Content-Length: 0
3.
INVITE sip:9314@192.168.3.232:5060;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.2.97:5060;branch=5b495e54-d5a8a93e-aa5f9258-be025820-1
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
From: <sip:9313@cisco.com;user=phone>;tag=2274744465
To: <sip:9314@cisco.com;user=phone>
Call-ID: 4074632257@192.168.2.163
CSeq: 1 INVITE
Contact: <sip:9313@192.168.2.163:5060;user=phone;transport=udp>
User-Agent: Cisco-CP7905/1.01-030429A
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER
Expires: 300
Content-Length: 259
Content-Type: application/sdp
v=0
o=9313 58115 58115 IN IP4 192.168.2.163
s=Cisco 7905 SIP Call
c=IN IP4 192.168.2.163
t=0 0
m=audio 16384 RTP/AVP 0 18 8 101
a=rtpmap:0 PCMU/8000/1
a=rtpmap:18 G729/8000/1
a=rtpmap:8 PCMA/8000/1
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
4.
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.97:5060;branch=5b495e54-d5a8a93e-aa5f9258-be025820-1
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
From: <sip:9313@cisco.com;user=phone>;tag=2274744465
To: <sip:9314@cisco.com;user=phone>;tag=252438364
Call-ID: 4074632257@192.168.2.163
CSeq: 1 INVITE
Server: Cisco-CP7905/1.01-030422A
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER
Content-Length: 0
Table C-6 Log Listing (continued)