Looks like either there is some bad configuration on their end, or they are expecting you to do something non-standard.
Best regards, Byron Campen Hi all, I'm testing my UA with Nortel server, then I make the call, server reply 302 to me, but the "contact" header of 302 is very strange.
Does anyone know how to process the "302 redirect" of Nortel ?
INVITE sip:7008@xxxxxxxxxxxxx SIP/2.0
Via: SIP/2.0/UDP 192.168.0.22:7742;branch=z9hG4bK-d8754z-6122161645489c04-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:8888@xxxxxxxxxxxx:7742>
To: <sip:7008@xxxxxxxxxxxxx>
From: <sip:8888@xxxxxxxxxxxxx>;tag=fd001426
Call-ID: NmRlYzJkNDU1ZGY1YWM5MjBiOWViZjAwOTZmZDBkNmY.
CSeq: 2 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, REGISTER, SUBSCRIBE, INFO
Content-Type: application/sdp
Proxy-Authorization: Digest username="8888",realm="xperteers.com",nonce="a8a7700660b715b01bb6ed871d209254",uri="sip:7008@xxxxxxxxxxxxx",response="59f3950d0e66185eeed8b544086a519b",cnonce="c3fe1f5ab68b1a6fcede62e50514f2bf",nc=00000001,qop=auth,algorithm=MD5,opaque="bbed2f56ac66b7c9e6c19d4314043933"
Supported: replaces
User-Agent: UA 0.9.1
Content-Length: 356
v=0
o=- 6889446 6889446 IN IP4 192.168.0.22
s=call
c=IN IP4 192.168.0.22
t=0 0
m=audio 20964 RTP/AVP 0 8 18 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
SIP/2.0 302 Moved Temporarily
Via: SIP/2.0/UDP 192.168.0.22:7742;branch=z9hG4bK-d8754z-6122161645489c04-1---d8754z-;rport;received=192.168.0.22
From: <sip:8888@xxxxxxxxxxxxx>;tag=fd001426
To: <sip:7008@xxxxxxxxxxxxx>;tag=23554
Call-ID: NmRlYzJkNDU1ZGY1YWM5MjBiOWViZjAwOTZmZDBkNmY.
CSeq: 2 INVITE
Contact: <sip:7008;phone-context=cdp.udp@xxxxxxxxxxxxx:5060;maddr=192.168.42.5;transport=tcp;x-nt-redirect=redirect-server>
Content-Length: 0
ACK sip:7008@xxxxxxxxxxxxx SIP/2.0
Via: SIP/2.0/UDP 192.168.0.22:7742;branch=z9hG4bK-d8754z-6122161645489c04-1---d8754z-;rport
Max-Forwards: 70
To: <sip:7008@xxxxxxxxxxxxx>;tag=23554
From: <sip:8888@xxxxxxxxxxxxx>;tag=fd001426
Call-ID: NmRlYzJkNDU1ZGY1YWM5MjBiOWViZjAwOTZmZDBkNmY.
CSeq: 2 ACK
Content-Length: 0
INVITE sip:7008;phone-context=cdp.udp@xxxxxxxxxxxxx:5060;maddr=192.168.42.5;transport=tcp;x-nt-redirect=redirect-server SIP/2.0
Via: SIP/2.0/UDP 192.168.0.22:7742;branch=z9hG4bK-d8754z-1752287f0d42f53a-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:8888@xxxxxxxxxxxx:7742>
To: <sip:7008@xxxxxxxxxxxxx>
From: <sip:8888@xxxxxxxxxxxxx>;tag=fd001426
Call-ID: NmRlYzJkNDU1ZGY1YWM5MjBiOWViZjAwOTZmZDBkNmY.
CSeq: 3 INVITE
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, REGISTER, SUBSCRIBE, INFO
Content-Type: application/sdp
Proxy-Authorization: Digest username="8888",realm="xperteers.com",nonce="a8a7700660b715b01bb6ed871d209254",uri="sip:7008;phone-context=cdp.udp@xxxxxxxxxxxxx:5060;maddr=192.168.42.5;transport=tcp;x-nt-redirect=redirect-server",response="4b70f9a78636d1c44db3684a66180eff",cnonce="73cd094ba3e3ec96df3e4e9acfc843a4",nc=00000002,qop=auth,algorithm=MD5,opaque="bbed2f56ac66b7c9e6c19d4314043933"
Supported: replaces
User-Agent: UA 0.9.1
Content-Length: 356
v=0
o=- 6889446 6889446 IN IP4 192.168.0.22
s=call
c=IN IP4 192.168.0.22
t=0 0
m=audio 20964 RTP/AVP 0 8 18 101
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
SIP/2.0 302 Moved Temporarily
Via: SIP/2.0/UDP 192.168.0.22:7742;branch=z9hG4bK-d8754z-1752287f0d42f53a-1---d8754z-;rport;received=192.168.0.22
From: <sip:8888@xxxxxxxxxxxxx>;tag=fd001426
To: <sip:7008@xxxxxxxxxxxxx>;tag=23147
Call-ID: NmRlYzJkNDU1ZGY1YWM5MjBiOWViZjAwOTZmZDBkNmY.
CSeq: 3 INVITE
Contact: <sip:7008;phone-context=cdp.udp@xxxxxxxxxxxxx:5060;maddr=192.168.42.5;transport=tcp;x-nt-redirect=redirect-server>
Content-Length: 0
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