11 Feb
2005
11 Feb
'05
12:56 a.m.
When I receive a SIP INVITE from my service provider, the normal call
flow is for SER to forward it to my Asterisk for authentication.
However, if the Asterisk is down, SER keeps attempting by sending
multiple INVITEs to Asterisk, until it receives a CANCEL from the
service provider.
The preferred behavior is for SER to give up after 2-3 unsuccessful
attempts and send a "503 Service Unavailable" message back to the
service provider. Is there a way to do this in ser.cfg or anywhere else
in SER? Any examples would be much appreciated.
Regards,
SCM
11 Feb
11 Feb
10:25 p.m.
Hi,
If you want to change the global value for the invite timeout, you can
use the tm parameter "fr_inv_timer" - note, this will affect all your calls.
If you want to change the behavior only for calls going to PSTN, before
relaying to GW do:
avp_write("i:10","fr_inv_timer_avp");
where first param "i:10" gives as integer the timeout value - note you
have to load the avpops module.
To override the default reply 408 Timeout generated by the invite
timeout, set a failure route for calls going to GW :
failure_route[x] {
if (t_check_status("408")) {
t_reply("503","Service Unavailable");
};
}
Best regards,
Marian
scm-j(a)nuntius.com wrote:
When I receive a SIP INVITE from my service provider,
the normal call
flow is for SER to forward it to my Asterisk for authentication.
However, if the Asterisk is down, SER keeps attempting by sending
multiple INVITEs to Asterisk, until it receives a CANCEL from the
service provider.
The preferred behavior is for SER to give up after 2-3 unsuccessful
attempts and send a “503 Service Unavailable” message back to the
service provider. Is there a way to do this in ser.cfg or anywhere else
in SER? Any examples would be much appreciated.
Regards,
SCM
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12 Feb
12 Feb
1:44 a.m.
On 10-02 14:56, scm-j(a)nuntius.com wrote:
When I receive a SIP INVITE from my service provider,
the normal call
flow is for SER to forward it to my Asterisk for authentication.
However, if the Asterisk is down, SER keeps attempting by sending
multiple INVITEs to Asterisk, until it receives a CANCEL from the
service provider.
The preferred behavior is for SER to give up after 2-3 unsuccessful
attempts and send a "503 Service Unavailable" message back to the
service provider. Is there a way to do this in ser.cfg or anywhere else
in SER? Any examples would be much appreciated.
Note that 5xx means that an error has occured on the server, which is
not true in this case. I would keep the original response which would
be 408 Request Timeout.
Jan.
7225
days inactive
7226
days old
2 comments
3 participants
participants (3)
-
Jan Janak -
Marian Dumitru -
scm-j＠nuntius.com