[Asterisk-Dev] PROGRESS messages with Cause 17 (User Busy) - Bug #4250

[Paul Cadach]

Hello,

Clint Guillot wrote:
[skipped]
> Is it a violation of Q.931 for a PROGRESS message to contain a cause 
> code 17 (User busy), AND for this to be the only indication that a call 
> has failed with a busy condition?
> Is a HANGUP message not required in this instance?

Try to enable call progress detection to have workaround for this situation.


WBR,
Paul.