It seems like this issue is introduced by PCSCF when Soft Phone registers. The SIP
Register from PCSCF to ICSCF is as below:
REGISTER
sip:ims.mnc001.mcc001.3gppnetwork.org SIP/2.0
Via: SIP/2.0/UDP
[FC00:1235:1:0:0:0:0:45];branch=z9hG4bK9fc5.213ad03f122aa3a2b0840eae36a852ba.1
Via: SIP/2.0/UDP
[fc00:1235:3:1::]:5060;rport=5060;received=FC00:1235:3:1:0:0:0:0;branch=z9hG4bK2107430722
From: <sip:alice@ims.mnc001.mcc001.3gppnetwork.org>;tag=60956342
To: <sip:alice@ims.mnc001.mcc001.3gppnetwork.org>
Call-ID: 2069996946
CSeq: 1 REGISTER
Contact:
<sip:alice@[fc00:1235:3:1::];line=572ba75522c0a87;alias=[FC00:1235:3:1:0:0:0:0]~5060~1>
Max-Forwards: 69
User-Agent: Linphone/3.6.1 (eXosip2/4.1.0)
Expires: 3600
Content-Length: 0
Path:
<sip:term@pcscf.ims.mnc001.mcc001.3gppnetwork.org:5060;nat=yes;received=**sip:FC00:1235:3:1:0:0:0:0:5060**;lr>
Supported: path
Require: path
P-Visited-Network-ID:
ims.mnc001.mcc001.3gppnetwork.org
The SIP Register from Soft Phone is fine:
REGISTER
sip:ims.mnc001.mcc001.3gppnetwork.org SIP/2.0
Via: SIP/2.0/UDP [fc00:1235:3:1::]:5060;branch=z9hG4bK2107430722
From: <sip:alice@ims.mnc001.mcc001.3gppnetwork.org>;tag=60956342
To: <sip:alice@ims.mnc001.mcc001.3gppnetwork.org>
Call-ID: 2069996946
CSeq: 1 REGISTER
Contact: <sip:alice@[fc00:1235:3:1::];line=572ba75522c0a87>
Max-Forwards: 70
User-Agent: Linphone/3.6.1 (eXosip2/4.1.0)
Expires: 3600
Content-Length: 0
--
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/1136#issuecomment-308493913