6 Nov
2018
6 Nov
'18
11:58 p.m.
Hi!
I have a phone (Mitel 6930) that does not send an Expire-header but
"expire" in Contact during REGISTER:
Session Initiation Protocol (REGISTER)
Request-Line: REGISTER sip:pbx.example.com
SIP/2.0
Message Header
Via: SIP/2.0/TLS 192.168.6.16:5061;branch=xxxxxxxxxxxxxxxx;rport
Route: <sip:pbx.example.com;lr=lr;transport=tls>
Max-Forwards: 70
From: "Example" <sip:121212_6666@pbx.example.com>;tag=b0cec92c3e
To: "Example" <sip:121212_6666@pbx.example.com>
Call-ID: aaaaaaaaaaaaaaaaa
CSeq: 1190442896 REGISTER
Accept-Language: de
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, OPTIONS, UPDATE,
PRACK, SUBSCRIBE, INFO, PUBLISH
Allow-Events: talk, hold, conference, LocalModeStatus
Contact: "Example" <sip:121212_6666@192.0.2.1:62336
This results in successful register, kamailio forwards REGISTER to asterisk
(endpoint registered) and immediatly kamailio sends a new REGISTER with
Expire set to 0 to asterisk:
Session Initiation Protocol (REGISTER)
;+sip.instance="<urn:uuid:00000000-0000-1000-8000-08000FB888F5>";expires=300
Supported: path, gruu
User-Agent: Mitel 6930/5.0.0.2041
Aastra-Line: 1
Aastra-Mac: AAAAAAAAAAAA
Content-Length: 0 Request-Line: REGISTER sip:192.168.99.112:5060
SIP/2.0
Message Header
Via: SIP/2.0/UDP 192.168.99.111:5060
;branch=z9hG4bK9f9e.599cf243000000000000000000000000.0
To: <sip:121212_6666@192.168.99.112>
From: <sip:121212_6666@192.168.99.112
The phone is then unregistered - the phone also shows "no service". It
looks like Kamailio generates this message on it's own (and I don't know
why).
I am still learning to implement kamailio as proxy. Reading the docs, I
would expect Kamailio to automatically eval the correct parameter:
;tag=7e4f6993bfbf831f6b016fea6683cdca-b98a
CSeq: 10 REGISTER
Call-ID: 2bc5fd1061b31723-1350(a)192.168.99.111
Max-Forwards: 70
Content-Length: 0
User-Agent: kamailio (5.1.6 (x86_64/linux))
Contact: <sip:121212_6666@192.168.99.111:5060>
Expires: 0 If the processed message contains neither Expires HFs
nor expires contact
parameters, this value will be used for newly created usrloc records.
[1]
What did I miss?
Phones which use the Expire-header are working fine.
Kind regards
Kevin
[1] default_expires -
http://www.kamailio.org/docs/modules/5.2.x/modules/registrar.html