[SR-Users] Problem with resuming suspended transactions.

[Dmytro Bogovych]

(facepalm)

Thank you!


On Mon, Nov 23, 2015 at 6:39 PM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> Hello,
>
> probably you want the next snippet:
>
>                 if (!t_relay())
>                         xlog("L_INFO","Cannot relay PUSHED invite.");
>                         sl_reply_error();
>
>
> to be:
>
>                 if (!t_relay()) {
>                         xlog("L_INFO","Cannot relay PUSHED invite.");
>                         sl_reply_error();
>                 }
>
>
> Because you don't have curly braces for the IF block, only the xlog is
> executed in case of error. sl_reply_error() is executed always.
>
> Cheers,
> Daniel
>
> On 23/11/15 17:29, Dmytro Bogovych wrote:
>> Greetings.
>>
>> We build specialized softphone for iOS. Push notifications are used to
>> notify user and wake up softphone app on missed calls and messages.
>>
>> We used Daniel's example config script as base for own configuration
>> file. It has the same parts and does not differ too much. I talk about
>> this example: http://www.kamailio.org/events/2014-KamailioWorld/day2/26-Daniel-Constantin.Mierla-Kamailio.cfg-Async.pdf
>>
>> Everything was ok for few monthes - with kamailio 4.1.2.
>> Few weeks ago we upgraded to 4.3.3.
>> Now paused calls cannot be resumed properly.
>>
>> Softphone receives 500 Server error (No error 0/SL) in response
>>
>> This is problem part of script:
>>
>> route[RELAYRESUMED] {
>>
>>         # enable additional event routes for forwarded requests
>>         # - serial forking, RTP relaying handling, a.s.o.
>>         if (is_method("INVITE|SUBSCRIBE")) {
>>                 t_on_branch("MANAGE_BRANCH");
>>                 t_on_reply("MANAGE_REPLY");
>>         }
>>         if (is_method("INVITE")) {
>>                 t_on_failure("MANAGE_FAILURE");
>>         }
>>         if ($var(rr_target) != "")
>>         {
>>                 xlog("L_INFO","Relay to $var(rr_ip):$var(rr_port)\n");
>>                 $ru = "sip:" + $rU + "@" + $var(rr_ip) + ":" +
>> $var(rr_port) + ";transport=" + $var(rr_proto);
>>                 xlog("L_INFO","Current request URI is $ru\n");
>>                 if (!t_relay())
>>                         xlog("L_INFO","Cannot relay PUSHED invite.");
>>                         sl_reply_error();
>>         }
>>         else
>>         {
>>                 xlog("L_WARN","Target proto is not set\n");
>>                 sl_reply_error();
>>         }
>>         exit;
>> }
>>
>> It produces log
>> -----
>> Nov 23 14:42:24 ctdsip3 /usr/local/sbin/kamailio[32141]: INFO:
>> <script>: resuming trasaction [23927:345343979] 1985987629
>> (23927:345343979)
>>
>> Nov 23 14:42:24 ctdsip3 /usr/local/sbin/kamailio[32141]: INFO:
>> <script>: Relay to 95.133.110.17:11791
>>
>> Nov 23 14:42:24 ctdsip3 /usr/local/sbin/kamailio[32141]: INFO:
>> <script>: Current request URI is
>> sip:1985987629 at 95.133.110.17:11791;transport=tls
>>
>> Nov 23 14:42:24 ctdsip3 /usr/local/sbin/kamailio[32141]: ERROR: sl
>> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: No
>> error (0/SL)
>>
>> Nov 23 14:42:24 ctdsip3 /usr/local/sbin/kamailio[32141]: INFO:
>> <script>: Checking FAILED messages for 1985987629: 0
>> -----
>>
>> sl_reply_error() sends 500 with No error (0/SL) description. Later 180
>> & 200 are sent.
>>
>> But client softphone terminates transaction already (as it handles 500
>> response code) .
>>
>> There is no "Cannot relay PUSHED invite." message in the log however.
>>
>>
>> I will be happy to heary any idea what can be cause...
>>
>> Thank you!
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
> Book: SIP Routing With Kamailio - http://www.asipto.com
> Kamailio Advanced Training, Nov 30-Dec 2, Berlin - http://asipto.com/kat
>
>
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