[OpenSER-Users] dp and dP pseudo-vars
Victor Gamov
vit at lipetsk.ru
Thu Jan 24 18:42:27 CET 2008
Klaus Darilion wrote:
>
>
> Victor Gamov schrieb:
>> Hi gentlemen!
>>
>> I use openser-1.2.2 and I want to access to dp & dP variables but
>> sometimes they are empty. I try to access it before and after
>> t_relay() and result is the same -- variable is empty.
>>
>> When this variables are set?
>
> Manually in openser.cfg or by some functions (e.g. lookup() or
> loose_route()).
>
>> Is it possible that they are not set at all?
>
> yes.
>
> If openser forwards the request (e.g. t_relay) it verifies if DURI is
> set. If yes, the request is sent to the DURI.
>
> If DURI is not sent, the request is forwarded to the RURI.
>
>
> a typical example: client behind NAT register with Contact URI
> sip:192.168.2.2:5060. The request comes from 1.2.3.4:8888.
>
> Then during save openser will save the contact and the public address.
> Further, if you lookup() this user, the lookup function will set RURI
> to sip:192.168.2.2:5060 and duri to sip:1.2.3.4:8888
I see.
And in this situations $dP implicitly set to 'UDP' and $dp explicitly
set to '8888', yes ?
Another question: is it possible that t_relay() set this variables
because t_relay() really know which $dP & $dp was used to send request.
--
CU,
Victor Gamov
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