[Asterisk-Users] Dialing dead SIP peers give misleading (BUSY) voicemail result ...

[Rich Adamson]

> We have several people using SIP softphones in the office. When they leave
> for the day, they power down their workstations, causing their registration
> with Asterix to quickly timeout.
> 
> Here's the entry for one such extension in extensions.conf:
> 
> exten => 8102,1,Dial(SIP/someone,20)
> exten => 8102,2,Voicemail(u8102)
> exten => 8102,3,Hangup
> exten => 8102,102,Voicemail(b8102)
> exten => 8102,103,Hangup
> 
> The desired behaviour when they're gone for the day is to have their
> voicemail play the 'unavailable' greeting, and record a message.
> Unfortunately, it seems to play the 'busy' greeting instead:
> 
>     -- Executing Dial("SIP/darren-0eee", "SIP/someone|20") in new stack
>   == Everyone is busy at this time
>     -- Executing VoiceMail("SIP/darren-0eee", "b8102") in new stack
>     -- Playing 'voicemail/default/8102/busy' (language 'en')
> 
> Obviously this is misleading to the customer ... the person at that
> extension isn't even in the office, let alone busy.
> 
> Is this the intended result when trying to dial a disconnected SIP
> extension, or have I misconfigured something? Does the dialplan above, which
> was built using analog handsets, need to be more intelligent to deal with
> SIP connectivity/registration status?
 
I've noticed the same thing. I don't believe its the desired behaviour
but I don't read C-code well enough to fix it either.

Rich