[Serusers] Timeout for provisional replies

[Jiri Kuthan]

At 03:16 PM 6/1/2005, Andreas Granig wrote:
>Hello,
>
>Currently we've the folling tm-timeouts set:
>
>modparam("tm", "fr_timer", 30)
>modparam("tm", "fr_inv_timer", 180)
>
>In my understanding the first timer hits if no final reply for a request (except INVITE) or an ACK for a neg. INVITE-reply arrives within 30 seconds; the second timer hits if no final reply arrives for an INVITE after a provisional reply (the first one?) is received within 180 seconds.

The first timer hits of no reply comes at all, i.e., you can use it to detect dead UASes.

-jiri


>But is there a timer for the first provisional reply for an INVITE?
>
>I ask because I want to detect if a contact is unreachable. I'd assume that a device answers with "100 trying" (or immediately with 180/183) within some seconds, but which timer do I have to set?
>
>Thanks,
>Andy
>
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--
Jiri Kuthan            http://iptel.org/~jiri/