[Asterisk-Dev] chan_sip goes "deaf" - SIP monitor thread stops

[Matt Riddell]

steve at daviesfam.org wrote:
> We have a site where chan_sip will suddenly go deaf.  No untoward messages 
> in the logs, except that it receives nothing (no Sip read: messages), nor 
> do any retransmits take place.
> 
> This is often triggered when the operator blind-transfers a call into a 
> queue.  The queue rings 14 SIP phones in parallel.  (This does usually 
> work properly).

Sounds like a problem I had at a customer site earlier this week.  I 
fixed it by setting incominglimit=1 in the sip.conf for each of the phones.

It seemed to be caused by a second call ringing a SIP line that already 
had a call in progress.

-- 
Cheers,

Matt Riddell
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