[asterisk-users] Knowing when an answerphone answers

[Anselm Martin Hoffmeister]

Am Sonntag, den 12.11.2006, 08:50 +0000 schrieb Nic Hughes:
> Hi all,
> 
> I have found that when I use an announcement at the start of the call it 
> results in a useless answerphone message if the call goes onto 
> answerphone for any reason - the message being a chopped off version of 
> the announcement.
> 
> Does anyone know of a good way to detect that an answerphone has 
> answered - or how to detect the tone that they typically use so I can 
> code around this (with a different message).

http://www.mail-archive.com/asterisk-users%
40lists.digium.com/msg161611.html

http://www.voip-info.org/wiki/view/Asterisk+cmd+BackGroundDetect

http://lists.digium.com/pipermail/asterisk-dev/2006-March/019086.html

might be of interest. It seems you were not the first person with that
idea.

HTH
Anselm