[OpenSIPS-Users] loose_route: loop on ACK requests

[Bogdan-Andrei Iancu]

Hi Noel,

maybe you have the same issue as Jeff - maybe you have the  
92.168.193.20 IP in domain table, as local domain.....

Regards,
Bogdan


Noel R. Morais wrote:
> Hi Bogdan,
>
> I'm not using alias.
>
> I've realized that if I request authorization for the initial INVITE,
> everything works like a charm.
>
> If I just by pass (using allow_trusted) it doesn't work and opensips
> route the ACK to itself.
>
> If you don't mind follow attached my cfg. It's "simple".
>
> Thanks,
>
> Noel
>
> On Fri, Mar 20, 2009 at 2:54 PM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro> wrote:
>   
>> Hi Noel,
>>
>> it looks like OpenSIPS is doing strict routing on the received ACK.
>>
>> This happens if it finds out in RURI an IP/address which is considered local
>> - in the case the RURI will be consumed and use the Route as new RURI...
>>
>>
>> So are you sure there is no misconfiguration in the alias params ?
>>
>> Regards,
>> Bogdan
>>
>> Noel R. Morais wrote:
>>     
>>> Hi guys,
>>>
>>> I'm having problems about loose_route(). Opensips is routing ACK
>>> requests to itself.
>>>
>>> I know that posting code and traces are ugly, but I think I do not
>>> have choices. Sorry.
>>>
>>> Follow bellow the code regarding loose_route:
>>> if (has_totag()) {
>>>                if (loose_route()) {
>>>                        if(method=="INVITE") {
>>>                                route(5); #Check authentication of
>>> re-invites
>>>                        }
>>>                        route(1);
>>>                } else {
>>>                        if ( is_method("ACK") ) {
>>>                                if ( t_check_trans() ) {
>>>                                        route(1);
>>>                                }
>>>                }
>>>        }
>>> }
>>>
>>>
>>> Follow bellow the trace, 192.168.191.188 is the opensips ip address:
>>> U 2009/03/11 14:46:53.950565 192.168.191.188:5060 -> 192.168.192.233:5060
>>> SIP/2.0 200 OK.
>>> Via: SIP/2.0/UDP 192.168.192.233;branch=z9hG4bKac74079177.
>>> Contact: <sip:XXXXXXXXX at 192.168.193.20:5060>.
>>> Record-Route:
>>> <sip:192.168.191.188;lr=on;ftag=1c74077990;did=f9e.d32b00d2>.
>>> Call-ID: 74077637112200051548 at 192.168.192.233.
>>> From: "Jeff002" <sip:YYYYYYYYYY at 192.168.193.20>;tag=1c74077990.
>>> To:
>>> <sip:XXXXXXXXX at 192.168.191.188;user=phone>;tag=a94c095b773be1dd6e8d668a785a9c8469ec.
>>> CSeq: 1 INVITE.
>>> Server: Cantata-SIP/10.3.2.51932 IMG 0.
>>> Allow: INVITE, BYE, REGISTER, ACK, OPTIONS, CANCEL, INFO.
>>> Supported: path.
>>> Accept: application/sdp.
>>> Content-Type: application/sdp.
>>> Content-Length: 236.
>>> .
>>> v=0.
>>> o=Cantata_SDP 0 1 IN IP4 192.168.193.20.
>>> s=Cantata-SIP.
>>> c=IN IP4 192.168.193.21.
>>> t=0 0.
>>> m=audio 8944 RTP/AVP 18 101.
>>> a=rtpmap:18 G729/8000.
>>> a=rtpmap:101 telephone-event/8000.
>>> a=fmtp:101 0-15.
>>> a=silenceSupp:off - - - -.
>>> a=ptime:20.
>>>
>>>
>>> U 2009/03/11 14:46:53.997019 192.168.192.233:5060 -> 192.168.191.188:5060
>>> ACK sip:XXXXXXXXX at 192.168.193.20:5060 SIP/2.0.
>>> Via: SIP/2.0/UDP 192.168.192.233;branch=z9hG4bKac82192814.
>>> Max-Forwards: 70.
>>> From: "Jeff002" <sip:YYYYYYYYYY at 192.168.193.20>;tag=1c74077990.
>>> To:
>>> <sip:XXXXXXXXX at 192.168.191.188;user=phone>;tag=a94c095b773be1dd6e8d668a785a9c8469ec.
>>> Call-ID: 74077637112200051548 at 192.168.192.233.
>>> CSeq: 1 ACK.
>>> Contact: <sip:YYYYYYYYYY at 192.168.192.233>.
>>> Route: <sip:192.168.191.188;lr=on;ftag=1c74077990;did=f9e.d32b00d2>.
>>> Supported: em,timer,replaces,path.
>>> Allow:
>>> REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.
>>> User-Agent: Audiocodes-Sip-Gateway-MP-102 FXS/v.4.60A.035.001.
>>> Content-Length: 0.
>>> .
>>>
>>>
>>> U 2009/03/11 14:46:53.998178 192.168.191.188:5060 -> 192.168.191.188:5060
>>> ACK sip:192.168.191.188;lr=on;ftag=1c74077990;did=f9e.d32b00d2 SIP/2.0.
>>> Record-Route: <sip:192.168.191.188;lr=on;ftag=1c74077990>.
>>> Via: SIP/2.0/UDP 192.168.191.188;branch=z9hG4bKef17.5d8b81f4.2.
>>> Via: SIP/2.0/UDP 192.168.192.233;branch=z9hG4bKac82192814.
>>> Max-Forwards: 69.
>>> From: "Jeff002" <sip:YYYYYYYYYY at 192.168.193.20>;tag=1c74077990.
>>> To:
>>> <sip:XXXXXXXXX at 192.168.191.188;user=phone>;tag=a94c095b773be1dd6e8d668a785a9c8469ec.
>>> Call-ID: 74077637112200051548 at 192.168.192.233.
>>> CSeq: 1 ACK.
>>> Supported: em,timer,replaces,path.
>>> Allow:
>>> REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,NOTIFY,PRACK,REFER,INFO,SUBSCRIBE,UPDATE.
>>> User-Agent: Audiocodes-Sip-Gateway-MP-102 FXS/v.4.60A.035.001.
>>> Content-Length: 0.
>>>
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>>>
>>>
>>>       
>>