[asterisk-dev] SIP error codes

[Paul Hewlett]

I saw the thread relating to SIP error codes and ISDN hangup cause - 
Olle Johansson stated that feedback would be welcome:

I recently changed the asterisk response to a 402 "Payment required" - 
chan-sip.c simply hangs up when a 402 is returned.
I added the 402 to the same response as 503 "Service unavailable" which 
returns CONGESTION  - this allows my dialplan to fall thru  to
try a different trunk.  This appears to work well - it is a very small 
change so I *really* don't want to submit a bug report.

Regards Paul

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