[asterisk-users] Increase VoiceMail Messages Recording Gain
-AudioCalls are Ok
Cullin J. Wible
cwible at algorim.com
Wed Oct 11 07:48:07 MST 2006
externnotify=/opt/asterisk-1.2.7.1/sbin/vm-audio
vm-audio uses 'sox -e' to determine how much to scale by without clipping
and then
Then 'sox -v' to scale the sound file.
This happens after the email message is sent, but by changing the order of a
few lines in the app_voicemail.c program you can have the externnotify run
before the email message is sent.
Cullin
-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Aaron Daniel
Sent: Wednesday, October 11, 2006 12:49 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [asterisk-users] Increase VoiceMail Messages Recording Gain
-AudioCalls are Ok
That doesn't always work :)
There's two options... either port the volgain patch from 1.4 to 1.2 (If
anyone wants a copy, we've been using it for months... however it also
converts to mp3 so we'd have to strip that out)... or use 1.4 which includes
the patch.
Let me know if I should post a copy of the older code somewhere.
The 1.4 patch is here:
http://bugs.digium.com/view.php?id=6237
Aaron Daniel
Computer Systems Technician
Sam Houston State University
amdtech at shsu.edu
(936) 294-4198
On Tue, 2006-10-10 at 21:18 -0500, Shawn Kelley wrote:
> I had the same problem.
> Checking voicemail via the phone was perfectly normal but the email
> attachments were so quiet we had to turn the computer volume all the
> way up along with the speakers amps just to make the attachment
understandable.
> Then just wait until someone forgets to turn the volume back down and
> a lovely windows message box pops up. Scares the (pick your word) out
> of everyone in the office!
>
> After much searching I found the solution:
> In the voicemail.conf file change the order in which the recording
> formats are specified. Asterisk will email the first format in the list.
>
> My original line: format=wav49|wav|gsm My new line:
> format=wav|wav49|gsm
>
> NOTE: My understanding is that the wav files are much larger
> attachments than the wav49 version. However, we haven't noticed much
> difference, still fairly small attachments. Definitely no problems on
> a LAN or Broadband connection.
>
>
> ________________________________________
> From: Marco Mouta [mailto:marco.mouta at gmail.com]
> Sent: Tuesday, October 10, 2006 2:18 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: [asterisk-users] Increase VoiceMail Messages Recording Gain -
> AudioCalls are Ok
>
> Hi all
>
> I'm deploying a VoiceMailserver with Asterisk behind a legacy pbx,
> providing Voicemail to email services for Lecagy PBX extensions.
> On busy or unanswered calls, Legacy pbx will dial a specific DID (one
> per
> extension) to asterisk, and the call is handled by Voicemail application.
>
> I've several SIP extensions on this Asterisk box, and calls between
> Asterisk extensions and legacy PBX are just fine, at least no
> complaining from users, seems good to me:)
>
> The problem is:
> Right now, and i'm referring only to calls directly handled by
> VoiceMail application, the users get their audio files in email but
> the audio is very very low.
> I've thought about changing RX gain on PRI interface between legacy
> pbx and asterisk, but until now no complaining with audio calls.
>
> I'm afraid that changing this parameter to solve voicemail issues will
> get me in troubles with Voice Calls .
>
> Any advice, or previous similar experience?
>
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