asterisk users - Jun 2020 - Confusion about Hangupcause, how to get asterisk to reply with 480 or 409?

Hi List

We want to be able to reject some pjsip calls with a 'temporary'
failure so that the PBX of the caller plays an announcement in the
language of the caller, that the call can temporarily not reach the
destination.

https://wiki.asterisk.org/wiki/display/AST/Hangup+Cause+Mappings

Case 41 seems right...

Haugup(41) causes the call to be rejected with '603' causing the
message 'your call has been administratively barred' to be played.

Hangup(19) is also a candidate, as it would return 480.

Nope, 504 is being sent, also playing the wrong message to the caller.

How can I more precisely define what SIP code I want to returned to the
caller? How do the documented hangup causes not match with my
observation?

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