Hi Alex and Daniel
Thank you for the quick reply.
I have now also set double_rr = 2 but still no joy, same two RR header
are added as before.
modparam("rr", "enable_full_lr", 0)
modparam("rr", "append_fromtag", 1)
modparam("rr", "enable_double_rr", 2)
Situation, IP's and Usernames a bit mangled
CPE <TCP> Kamailio Reg <UDP> Kamailio Core <UDP> IC
CPE => Reg
INVITE sip:[email protected] SIP/2.0
Via: SIP/2.0/TCP [CPEIP]:5060;branch=z9hG4bK9b3c29e0dad0e5b9
Route: <sip:[REGIP];transport=tcp;lr>
From: "John Doe" <sip:[email protected]>;tag=295116bd1a873e35
To: <sip:[email protected]>
Contact: <sip:2222@[CPEIP]:5060;transport=tcp>
Reg => Core
INVITE sip:[email protected] SIP/2.0
Record-Route: <sip:[REGIP];r2=on;lr;ftag=295116bd1a873e35>
Record-Route: <sip:[REGIP];transport=tcp;r2=on;lr;ftag=295116bd1a873e35>
Via: SIP/2.0/UDP
[REGIP];branch=z9hG4bKff2c.bdf51fa760a7fbf45d63cf2dc6149cd5.0;i=3
Via: SIP/2.0/TCP [CPEIP]:5060;branch=z9hG4bK9b3c29e0dad0e5b9
From: "John Doe" <sip:[email protected]>;tag=295116bd1a873e35
To: <sip:[email protected]>
Contact: <sip:2222@[CPEIP]:5060;transport=tcp>
Core => IC
INVITE sip:+41NPRN1111@[ICIP]:5060 SIP/2.0
Record-Route: <sip:[COREIP];lr;did=9fb.265>
Record-Route: <sip:[REGIP];r2=on;lr;ftag=295116bd1a873e35>
Record-Route: <sip:[REGIP];transport=tcp;r2=on;lr;ftag=295116bd1a873e35>
Via: SIP/2.0/UDP [COREIP];branch=z9hG4bKff2c.cd37a51708f805c3a86ad51b01b2ad43.0
Via: SIP/2.0/UDP
[REGIP];branch=z9hG4bKff2c.bdf51fa760a7fbf45d63cf2dc6149cd5.0;i=3
Via: SIP/2.0/TCP [CPEIP]:5060;branch=z9hG4bK9b3c29e0dad0e5b9
From: "John Doe" <sip:[email protected]>;tag=295116bd1a873e35
To: <sip:[email protected]>
Contact: <sip:22222@[CPEIP]:5060;transport=tcp>
So what I understands, the last entry in the route set and the Contact
header state the last transport is TCP.
Omitting 180, prack, ack etc, as the don't cause a Problem. so right to BYE:
IC => CORE
BYE sip:2222@[CPEIP]:5060 SIP/2.0
Max-Forwards: 61
Route: <sip:[COREIP];lr;did=9fb.265>
Route: <sip:[REGIP];r2=on;lr;ftag=295116bd1a873e35>
Route: <sip:[REGIP];transport=tcp;r2=on;lr;ftag=295116bd1a873e35>
To: "John Doe" <sip:[email protected]>;tag=295116bd1a873e35
From: <sip:[email protected]>;tag=3887096572-1655837278
CSeq: 2 BYE
Via: SIP/2.0/UDP [ICIP]:5060;branch=z9hG4bKbf46cc2d5bdbf33cdb99543b438afb16
Indeed, the BYE does not specify transport=tcp, but the last entry in
the route does, so shouldn't that be used?
Core => Reg
BYE sip:2222@[CPEIP]:5060 SIP/2.0
Max-Forwards: 60
Route: <sip:[REGIP];r2=on;lr;ftag=295116bd1a873e35>
Route: <sip:[REGIP];transport=tcp;r2=on;lr;ftag=295116bd1a873e35>
To: "John Doe" <sip:[email protected]>;tag=295116bd1a873e35
From: <sip:[email protected]>;tag=3887096572-1655837278
CSeq: 2 BYE
Allow:
PUBLISH,MESSAGE,SUBSCRIBE,REFER,INFO,NOTIFY,REGISTER,OPTIONS,BYE,INVITE,ACK,CANCEL
Via: SIP/2.0/UDP [COREIP];branch=z9hG4bKd2cd.cc6c4cfb9e956d20b30c2c8dc4fb653d.0
Via: SIP/2.0/UDP [ICIP]:5060;branch=z9hG4bKbf46cc2d5bdbf33cdb99543b438afb16
Reg => CPE (transmitted via UDP!)
BYE sip:2222@[CPEIP]:5060 SIP/2.0
Max-Forwards: 59
To: "John Doe" <sip:[email protected]>;tag=295116bd1a873e35
From: <sip:[email protected]>;tag=3887096572-1655837278
CSeq: 2 BYE
Allow:
PUBLISH,MESSAGE,SUBSCRIBE,REFER,INFO,NOTIFY,REGISTER,OPTIONS,BYE,INVITE,ACK,CANCEL
Via: SIP/2.0/UDP [REGIP];branch=z9hG4bKd2cd.6a5e43e7f40c13088f744a6e8265f618.0
Via: SIP/2.0/UDP [COREIP];branch=z9hG4bKd2cd.cc6c4cfb9e956d20b30c2c8dc4fb653d.0
Via: SIP/2.0/UDP [ICIP]:5060;branch=z9hG4bKbf46cc2d5bdbf33cdb99543b438afb16
So indeed, the remote party in our IC does not specify transport=tcp in
the RURI. Does it have to do so?
Mit freundlichen Grüssen
-Benoît Panizzon-
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