Hi,
the 408 timeout is for the PRACK request - the calling phone sends a
PRACK to proxy and proxy to GW, but the GW never reply to the PRACK, so
the proxy sends back 408 to calling phone. And probably this cause the
call to hang.
the PRACK is within the dialog request (the INVITE dialog).
if the GW does not support PRACK, either disable the phone to sent PRACK
,either reply them with 200 OK on the proxy.
regards,
bogdan
unplug wrote:
In what case the server will issue 408 error.
An user can make call without problem. He also can receive call but
the call will be dropped automatically around 50 seconds. From the
log below, a 408 request timeout (line682) is created and then the
call is dropped.
http://fisher.no-ip.com/ngrep/ngrep6667871.log
From the document, the server will create 408
when it can't produce a
response before a given time out. But in this case, I don't know why
it creates such error only for this user and not for other user.
Could anyone can tell me why the server create such error message?
Thanks!
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