[asterisk-users] No sound from playback and voicemail

[Stefan Guenther]

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

Thanks for your help,

Stefan

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