Hi Daniel,
I was using:
$ru = $(ru{re.subst,/[KAMAILIO]/[IP-PBX ]/});
t_relay_to_udp("[IP-PBX ]", "5060");
but your way looks better.
This works fine in this direction:
[UA] --> [KAMAILIO] --> [IP-PBX ]
but not in this:
[UA] <-- [KAMAILIO] <-- [IP-PBX ]
because Kamailio is not keeping the location of the UA.
I want to register UA's on Kamailio, but the authentication is done by
[IP-PBX]...
So Kamailio as Outbound Proxy + Location Server ... any idea on how I can
achieve this configuration?
Thanks,
Sunny
On 8 July 2011 09:38, Daniel-Constantin Mierla <mico...@gmail.com> wrote:
> Hello,
>
>
> On 7/5/11 8:46 PM, Sunny wrote:
>
>> Hi list,
>>
>> I'm trying to configure kamailio to work as a OBP (Outbound Proxy).
>>
>> Basically KAMAILIO receive requests from UAs, after that it acts like a
>> client and send those requests to the IP-PBX.
>> On the same way the responses are forwarded from IP-PBX to the UAs.
>>
>>
>> [UA] --> [KAMAILIO] --> [IP-PBX ]
>> [UA] <-- [KAMAILIO] <-- [IP-PBX ]
>>
>> Following possible call flow:
>>
>> [UA ] -> [KAMAILIO] SIP/SDP Request: INVITE sip:12345678909@[KAMAILIO],
>> with session description
>> [KAMAILIO] -> [UA ] SIP Status: 100 Trying
>> [KAMAILIO] -> [IP-PBX ] SIP/SDP Request: INVITE sip:12345678909@[IP-PBX
>> ], with session description
>> [IP-PBX ] -> [KAMAILIO] SIP Status: 100 Trying
>> [IP-PBX ] -> [KAMAILIO] SIP Status: 407 Proxy Authentication Required
>> [KAMAILIO] -> [IP-PBX ] SIP Request: ACK sip:12345678909@[IP-PBX ]
>> [KAMAILIO] -> [UA ] SIP Status: 407 Proxy Authentication Required
>> [UA ] -> [KAMAILIO] SIP Request: ACK sip:12345678909@[KAMAILIO]
>> [UA ] -> [KAMAILIO] SIP/SDP Request: INVITE sip:12345678909@[KAMAILIO],
>> with session description
>> [KAMAILIO] -> [UA ] SIP Status: 100 Trying
>> [KAMAILIO] -> [IP-PBX ] SIP/SDP Request: INVITE sip:12345678909@[IP-PBX
>> ], with session description
>> [IP-PBX ] -> [KAMAILIO] SIP Status: 100 Trying
>> [IP-PBX ] -> [KAMAILIO] SIP/SDP Status: 183 Session Progress, with
>> session description
>> [KAMAILIO] -> [UA ] SIP/SDP Status: 183 Session Progress, with
>> session description
>> [IP-PBX ] -> [KAMAILIO] SIP/SDP Status: 180 Ringing, with session
>> description
>> [KAMAILIO] -> [UA ] SIP/SDP Status: 180 Ringing, with session
>> description
>> (...)
>> [UA ] -> [KAMAILIO] SIP Request: CANCEL sip:12345678909@[KAMAILIO]
>> [KAMAILIO] -> [UA ] SIP Status: 200 OK
>> [KAMAILIO] -> [IP-PBX ] SIP Request: CANCEL sip:12345678909@[IP-PBX ]
>> [IP-PBX ] -> [KAMAILIO] SIP Status: 200 OK
>> [IP-PBX ] -> [KAMAILIO] SIP Status: 487 Request Terminated
>> [KAMAILIO] -> [IP-PBX ] SIP Request: ACK sip:12345678909@[IP-PBX ]
>> [KAMAILIO] -> [UA ] SIP Status: 487 Request Terminated
>> [UA ] -> [KAMAILIO] SIP Request: ACK sip:12345678909@[KAMAILIO]
>>
>> Wondering if anyone could help to make this configuration work?
>>
>
> what I understood from above is that you need to update the domain in R-URI
> from [kamailio] to [ip-pbx]. This is easy to do:
>
> $rd = [ip-pbx];
>
> You have to do this for initial requests (register, invite).
>
> If you need to update From header URI, look at uac module,
> uac_replace_from().
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla -- http://www.asipto.com
> Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
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