Hi,
Is it correct to have "user=phone" added only in ACK's To header while
it is missing in initial INVITE, even though both the messages use
Tel-URI.
Please refer to the trace below:
Request-Line: INVITE sip:[EMAIL PROTECTED] SIP/2.0
Message Header
Via: SIP/2.0/UDP
X.X.X.X:5060;branch=z9hG4bKf0m63e30306gvdocj180.1
To: <sip:[EMAIL PROTECTED];transport=UDP>
From: <sip:[EMAIL PROTECTED];user=phone>;tag=t570lgsc
Call-ID: 10.6.0.13450701228437693202
CSeq: 2 INVITE
Max-Forwards: 66
Content-Length: 211
Contact: <sip:[EMAIL PROTECTED]:5060;transport=udp>
Content-Type: application/sdp
Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, PRACK
Accept: application/sdp
Status-Line: SIP/2.0 100 Trying
Message Header
Via: SIP/2.0/UDP
X.X.X.X:5060;branch=z9hG4bKf0m63e30306gvdocj180.1
f:<sip:[EMAIL PROTECTED];user=phone>;tag=t570lgsc
t:<sip:[EMAIL PROTECTED];transport=UDP>
i:10.6.0.13450701228437693202
CSeq:2 INVITE
l:0
Status-Line: SIP/2.0 180 Ringing
Message Header
Via: SIP/2.0/UDP
X.X.X.X:5060;branch=z9hG4bKf0m63e30306gvdocj180.1
f:<sip:[EMAIL PROTECTED];user=phone>;tag=t570lgsc
t:<sip:[EMAIL PROTECTED];transport=UDP>;tag=000000009EC7356300000
00000
i:10.6.0.13450701228437693202
CSeq:2 INVITE
l:0
Status-Line: SIP/2.0 200 OK
Message Header
Via: SIP/2.0/UDP
X.X.X.X:5060;branch=z9hG4bKf0m63e30306gvdocj180.1
f:<sip:[EMAIL PROTECTED];user=phone>;tag=t570lgsc
t:<sip:[EMAIL PROTECTED];transport=UDP>;tag=000000009EC7356300000
00000
i:10.6.0.13450701228437693202
CSeq:2 INVITE
c:application/sdp
m:<sip:172.20.192.109:5060>
l:203
Request-Line: ACK sip:172.20.192.109:5060 SIP/2.0
Message Header
Via: SIP/2.0/UDP
X.X.X.X:5060;branch=z9hG4bKf0m63e30306gvdocj180.1
To:
<sip:[EMAIL PROTECTED];transport=UDP;user=phone>;tag=000000009EC7
35630000000000
From: <sip:[EMAIL PROTECTED];user=phone>;tag=t570lgsc
Call-ID: 10.6.0.13450701228437693202
CSeq: 2 ACK
Max-Forwards: 68
Content-Length: 0
Regards,
Sunil
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