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Appendix C SIP Call Flows
Call Flow Scenarios for Successful Calls
C-6
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
Table C-4 Log Listing
1.
REGISTER sip:cisco.com SIP/2.0
Via: SIP/2.0/UDP 192.168.2.163:5060
From: <sip:9313@cisco.com;user=phone>;tag=118440597
To: <sip:9313@cisco.com;user=phone>
Call-ID: 948614169@192.168.2.163
CSeq: 1 REGISTER
Contact: <sip:9313@192.168.2.163:5060;user=phone;transport=udp>;expires=3600
User-Agent: Cisco-CP7905/1.01-030429A
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER
Content-Length: 0
2.
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
Call-ID: 948614169@192.168.2.163
From: <sip:9313@cisco.com;user=phone>;tag=118440597
To: <sip:9313@cisco.com;user=phone>
CSeq: 1 REGISTER
Content-Length: 0
3.
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 192.168.2.163:5060;received=192.168.2.163
Call-ID: 948614169@192.168.2.163
From: <sip:9313@cisco.com;user=phone>;tag=118440597
To: <sip:9313@cisco.com;user=phone>
CSeq: 1 REGISTER
WWW-Authenticate: DIGEST realm="CISCO", nonce="3eb1ad3b", algorithm=MD5
Content-Length: 0
4.
REGISTER sip:cisco.com SIP/2.0
Via: SIP/2.0/UDP 192.168.2.163:5060
From: <sip:9313@cisco.com;user=phone>;tag=118440597
To: <sip:9313@cisco.com;user=phone>
Call-ID: 948614169@192.168.2.163
CSeq: 2 REGISTER
Contact: <sip:9313@192.168.2.163:5060;user=phone;transport=udp>;expires=3600
User-Agent: Cisco-CP7905/1.01-030429A
Allow: ACK, BYE, CANCEL, INVITE, NOTIFY, OPTIONS, REFER, REGISTER
Authorization: Digest
username="9313",realm="CISCO",nonce="3eb1ad3b",uri="sip:cisco.com",response="e52
5065aac09e798058122020e3d1921"
Content-Length: 0