Bugs item #3018975, was opened at 2010-06-21 11:55
Message generated for change (Comment added) made by klaus_darilion
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Category: modules
Group: None
>Status: Closed
>Resolution: Wont Fix
Priority: 5
Private: No
Submitted By: xhu xhu (xhujohnson)
Assigned to: Nobody/Anonymous (nobody)
Summary: SIPv6 UA can't receive a 423 (Interval Too Brief) response
Initial Comment:
SIPv6 UA can't receive a 423 (Interval Too Brief) response from
openser-1.3.4-12.fc13.i686 SIPv6 Registrar Server when expiration of a REGISTER
request is less than a registrar-configured minimum.The details can be seen as
follows. Is it a bug or can be resolved by modifying configuration file?
1 Test topology:
NUT(REG && PX) UA11
UA12 DNS
| |
| |
IP : 3ffe:501:ffff:50::50 3ffe:501:ffff:1::1
3ffe:501:ffff:2::2 3ffe:501:ffff:4::1
aor-uri : ss.under.test.com [email protected]
[email protected]
contact-uri : [email protected]
[email protected]
2 the tcpdump file can be seen in "SIP Registrar- Expiration of REGISTER
request less than a registrar-configured minimum" attachment
3 openser-1.3.4-12 configuration file can be seen in openser.cfg attachment.
I have added the following block into the openser.cfg
"
modparam("registrar", "default_expires", 3600)
modparam("registrar", "min_expires", 60)
"
----------------------------------------------------------------------
>Comment By: Klaus Darilion (klaus_darilion)
Date: 2010-06-21 13:04
Message:
Hi!
1. Openser 1.3 is rather old and not supported anymore. Anyway, the
behavior has not changed in newer versions.
2. Openser/Kamailio/sip-router does not have an implicit mechanism to send
423 - it uses a different approach. It just overrides the user-provided
expires value and set a different one. Take a look at the 200 OK response -
the Contact header has a different expire value (660) then the requested
one (30).
3. if you really need 423, you have to script it. e.g. in Kamilio 3.0
Syntax:
if ($hdr[Expires] < 3600) {
append_to_reply("Min-Expires: 3600\r\n");
sl_send_reply("423","Intervall to short");
exit;
}
4. For such discussions please use the kamailio mailing list
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