[OpenSIPS-Users] Request Timeout on INVITE After Idle Registration

[Bogdan-Andrei Iancu]

Hi Nabeel,

Well, first check your SIP traffic and see which party is generating the 
408 reply - is your opensips or the callee ?

Does OpenSIPS forwards the call to the callee ?

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 05.01.2016 16:55, Nabeel wrote:
>
> Hello,
>
> I have an SIP client which works fine during the first 15-20 minutes 
> of registration.  Registration has an expiry of 24 hours, but after 
> approximately 15-20 minutes of idle registration, attempts to call the 
> other phone fails with '408 Request Timeout' error.  Re-registering 
> the caller's phone makes no improvement to this, but re-registering 
> the callee's phone allows the calls to go through for another 15-20 
> minutes.
>
> I understand that Request Timeout can be initiated by either the 
> client or the server.  The know that the possible reasons are:
>
> 1) The callee/endpoint to be reached is somehow set on passive mode 
> and not responding to any call
>
> 2) The server does not get proper information about the location info 
> of the endpoint after query.
>
> And in the server logs, I only see this:
>
> ACC: call missed: 
> timestamp=1445625568;method=INVITE;from_tag=z9hG4bK58506340;to_tag=;call_id=879087082370 at 2a04:4a41:111:cf09::1d92:e0ac%4;code=408;reason=Request 
> Timeout
>
> However, I am unsure how to troubleshoot this further and how to go 
> about determining the exact cause.  Any advice or tips would be very 
> helpful.
>
>
>
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