[asterisk-users] Problem with distortion of initial voicemail prompt

[Kevin P. Fleming]

Frank Tarczynski wrote:
> I'm having a problem where the very first words of the Asterisk voicemail
> system prompt are distorted into a loud ear-splitting beep. When I dial my
> VoiceMailMain extension I get this loud beep followed by the rest of the
> initial voicemail system prompt.  After that everything works fine.  I've
> have this problem under both v1.2.6 (self-compiled) and now under 1.2.10
> (under Astlinux).
> 
> My handset is connected to my asterisk box through an iaxy.  With the
> exception of this voicemail prompt problem everything else seems to work
> fine.  The relevant portions of my voicemail.conf and extensions.conf are


This problem was caused by the IAXy always telling Asterisk that the
connected phone supports ADSI, and then the Voicemail application trying
to initialize ADSI on the phone.

In the next release of Asterisk (1.4), this can be turned off for IAX
devices in iax.conf by setting adsi=no for them.