[SR-Users] Delaying 200 OK sent to originator

[Dan-Cristian Bogos]

Hey Daniel,

Many thanks for so fast answer. I think sleep() will still help me.
Will experiment it here.

Cheers,
DanB

On Tue, Dec 14, 2010 at 9:09 PM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> Hello,
>
> On 12/14/10 6:33 PM, Dan-Cristian Bogos wrote:
>>
>> Hey Guys,
>>
>> I came in need to delay 200 OK sent to originator, I know that is not
>> the job of a proxy (not a perfect world though), so if anyone think
>> that should be in theory at least possible with kamailio/sr, I would
>> appreciate any tip.
>>
>> Scenario: User A ->  Proxy ->  User B.
>> User B will send 183 and then 200 to the User A.
>>
>> I would need to delay the 200 OK sent to User A with a number of
>> seconds, but still send ACK to User B to "fake" the receiving of the
>> message in time. When the ACK for the delayed 200 OK comes back from
>> User A, I would simply absorb it.
>>
>> Would that be possible with kamailio/sr without using an external
>> application?
>
> delaying of any kind of sip message is possible with sleep() function from
> cfgutils module. Beware it is blocking operation.
>
> Sending ACK is not something you can do out of the box. There is
> uac_req_send() from uac module, but it is about sending out of dialog
> requests. However, writing a function for config to send in-dialog request
> would not be that complex.
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla
> Kamailio (OpenSER) Advanced Training
> Jan 24-26, 2011, Irvine, CA, USA
> http://www.asipto.com
>
>