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You are talking about a CANCEL, not a 487. The 487 is the response to a
CANCEL. Only the UAC (the caller) is allowed to send a CANCEL, the UAS
(callee) should not. Thus, the 487 you see from the callee is the
response it gives you when caller cancelled the call. Hence, 487 should
not be handled in your failure route (just break;). However, you are
probably looking for 408 No answer, which should result in forwarding
or voicemail or whatever the user has set up.<br>
<br>
Bottom line: The 487 you see before you reach 60 seconds is generated
by the caller (or the gateway). And yes, a stateful proxy is also
allowed to send a CANCEL, so if you have a proxy between you and the
caller, it might be that the timer in that proxy is set to lower.<br>
g-)<br>
<br>
olivier.taylor wrote:
<blockquote cite="mid4496D12D.6020403@gmail.com" type="cite">
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<br>
487 is checked, <br>
How do you make the difference between a 487 issued by the caller and a
487 issued by the callee, that's the question?<br>
<br>
Ok, I must be stupid, once again :(<br>
<br>
Olivier<br>
<br>
Xavier TRENTIN a écrit :
<blockquote cite="mid4496C330.7050201@efixo.com" type="cite">
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Check if reply status is not 487 in the failure route.<br>
<br>
Xavier.<br>
<br>
olivier.taylor a écrit :
<blockquote cite="mid4496C170.7090201@gmail.com" type="cite"> Maybe
I
am stupid again, but 60000 or 6000000000000000000000 doesn't
change the problem, the callee still send a 487 before any timeout on
SER.<br>
<br>
And i don't find a way to distinguish a 487 set by the callee from a
487 sent by the caller.<br>
My mind is that those values are in seconds, not in miliseconds...<br>
<br>
Hey Greger, any idea?<br>
<br>
Olivier<br>
<br>
Weiter Leiter a écrit :
<blockquote cite="mid4496B568.80006@googlemail.com" type="cite">
<pre wrap="">Try with 60000. After last timers update, those values are in ms.
olivier.taylor wrote:
</pre>
<blockquote type="cite">
<pre wrap="">hi all,
I have
modparam("tm", "fr_inv_timer", 60)
when a callee doesn't anwer, he often send a 487 (cancelled) before 60
seconds...
It means timeout in fact or no answer...
If the caller stop the call, I also get a 487...
How to make the difference on a 487 generated by the caller and by the
callee?
It makes difference, if it's generated by the callee, I will forward
the call to voicemail or another number, if it's generated by the
caller, I will do nothing.
When I set fr_inv_timer to 15, I always get a timeout and it's ok, but
my customers dislikes that as well as the callees who needs to be
better than Ben Jonhson for the 100meters :(
Does exists a parameter to be send to the callee to tell him to wait
60 seconds + 1 before sending me a Cancel?
Regards,
Olivier
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