[OpenSIPS-Users] delay for first invite

Bogdan-Andrei Iancu bogdan at opensips.org
Tue Nov 22 15:09:22 CET 2011

Hi all,

Using sleep() functions in script is really dangerous as actually you 
block an opensips process in doing the sleep. So if you have 8 processes 
and you have 8 calls in sleep for 5 secs, you will end up blocking your 
entire opensips for all SIP traffic.

A not simple approach, but more efficient is to first set fr_timer to 5 
and send the invite to a destination that does not exists / answer -> in 
5 seconds you will end up in failure route and you can resume the 
processing there.....and there is no blocking in opensips.


On 11/22/2011 03:46 PM, Sammy Govind wrote:
> We can add delay for a particular host, add error, packet drop and 
> packet reordering in network layer but for just first invite !! 
> ummm...yes in configuration where you detect _first_ INVITE put a 
> sleep in there but then it won't be true network latency simulation.
> On Tue, Nov 22, 2011 at 6:26 PM, Dani Popa <dani.popa at gmail.com 
> <mailto:dani.popa at gmail.com>> wrote:
>     Hi,
>     I know it's a weird question, but still, it is possible to add a
>     delay (let's say 5 seconds) for the first invite(somehow to
>     increase post dial delay with 5 seconds).
>     Thanks,
>     Dani
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Bogdan-Andrei Iancu
OpenSIPS solutions and "know-how"

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