[asterisk-users] No sound from playback and voicemail

Atis Lezdins atis at iq-labs.net
Mon Nov 12 11:14:31 CST 2007

Stefan Guenther wrote:
> Hello,
> I have a strange situation:
> I can talk to other SIP phones and via ISDN to the outside, but I don't hear
> playbacks or the voicemail messages.
> Asterisk show in the cli, that the corresponding files are played, but I hear
> nothing at all.
> Here is as simple example:
> [monkeys]
>     exten => 99,1,ANSWER()
>     exten => 99,2,PLAYBACK(tt-monkeys)
>     exten => 99,3,HANGUP()
> The phone has access to this context, and the file exists, all codecs are
> allowed.
> I have tried to load either chan_alsa.so or chan_oss.so but it doesn't change
> anything.
> Does anyone have an idea what could be wrong? This is not the first Asterisk
> system that I set up, but I never had a problem like this.
> Asterisk is version 1.4.13

Do you have zaptel loaded? Could this be related?


If you do - you can try downgrading zaptel version.


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