[Asterisk-Dev] Handling SIP response 480

[Papadopoulos Georgios]

Hello,

I have been using Asterisk for quite some time, but this is the first
time I am digging into the code. (version is 1.2.1)
 
I have a SIP client that when in DND (Do Not Disturb) mode sends back a
480 Temporarily Unavailable response. Asterisk then forwards to the
calling party a 500 Server Internal Error. Looking into the code I found
that function hangup_sip2cause in chan_sip.c translates 480 to
AST_CAUSE_FAILURE. Shouldn't it be AST_CAUSE_NO_ANSWER?

I am not sure if this is a bug and whether I should submit it to the bug
tracker. Any feedback will be greatly appreciated.

thanks

George

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