[Asterisk-Users] No Audio on Local Machine, Remote works fine

[pdhales at optusnet.com.au]

Is ztdummy loaded properly?

I had a similar problem with a system recently.

PaulH

----- Original Message ----- 
From: "Hadar Pedhazur" <hadar at unorthodox.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Thursday, February 02, 2006 8:16 AM
Subject: [Asterisk-Users] No Audio on Local Machine, Remote works fine


> I don't even know where to begin.
>
> I run a lot of production Asterisk servers, for a couple of years now,
> with no real problems.
>
> We built a brand new box, CentOS 4.2, and installed Asterisk 1.2.4 from
> source tarball(s). Built fine, and started up fine.
>
> Any attempts to do local audio (e.g. a "Playback(welcome)") results in
> complete silence. Worse, the Playback command will hang forever (even if
> the file is tiny), so it's not just "not being heard", it's like the
> command is waiting to do something.
>
> In one specific case (and only in case), I'll hear a 1/2 second burst of
> audio, like it's about to start, and then dead air.
>
> The "Record" command creates a zero length file if the format is ulaw,
> and hangs forever after that, and a "wav" format is always 44 bytes
> before the hang.
>
> If I run the "demo-echo-test", I don't hear the prompt, and it hangs on
> the Playback.
>
> OK, now for the weirdness ;-). If I connect this Asterisk to one of our
> other servers, and dial the echo test on the remote server through this
> same server, I hear the prompts, and can hear my voice echoed correctly,
> so this same Asterisk server will happily forward the audio in both
> directions, it just won't "generate" it. This is with "notransfer=yes",
> so this Asterisk is staying in the audio stream.
>
> I'm stumped, and any help or pointers in the right direction will be
> greatly appreciated.
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