[Asterisk-Users] Low volume/ audio problems on TDM400 card

[Fabio]

Hi Carlos,

  - send us your interrupts configuration: cat /proc/interrupts
  - try adjusting line impedancy; see fxotune on zaptel source directory.

cheers,

Fabay

 -----Mensaje original-----
De: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com]En nombre de
news.asterisk.users
Enviado el: Jueves, 15 de Junio de 2006 08:19 a.m.
Para: Asterisk Users Mailing List - Non-Commercial Discussion
Asunto: Re: [Asterisk-Users] Low volume/ audio problems on TDM400 card


  That is the first thing I did.. rxgain seems to help to make it louder
when the two PSTN lines are bridged but also affects
  the audio quality adversely.  It's very touchy.. it also causes horrible
feedback (loud screeching when lines bridge).
  I've upgraded zapata and libpri too.

  JD

  Carlos Rojas wrote:
    Hi,

    I solved this problem in zapata.conf file

    ;rxgain=0.0                             ;Volume RX
    rxgain=8.0                             ;Volume RX
    ;txgain=0.0                             ;Volume TX
    txgain=1.0                             ;Volume TX


    Regards


    On 6/9/06, news.asterisk.users < news.asterisk.users at twingeckos.com>
wrote:
      I've been attempting to get this TDM400 card to work since March.
      While it sort of works, I'm having a lot of audio issues with it.

I am on Asterisk 1.2.9.1 svn rev 32797 and Zaptel 1.2.6.

I've tried moving it to beefier hardware, upgrading asterisk/zaptel/etc,

moving the X100 cards around on the TDM400 card, nothing seems to fix it.
The card says it's a revision J card.

I get low volume on the receiving end (too quiet to hear when channels
bridge) and
adjusting rx/txgain to comfortable levels causes popping and clicking when

calls are made that cause bridged channels.  Upgrading to the newest zaptel
fixed the horrible echo
and feedback issues I was having.

Before I send it in for a replacement I thought I'd ask about it in case
there is a setting

I can make to fix it.








                              Kernel Version 2.6.9-34.0.1.ELsmp (SMP)
                              Distro Name CentOS release 4.3 (Final)
                              Uptime 2 hours 57 minutes
                              Current Users 0
                              Load Averages 0.08 0.02 0.01



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                              eth0 2.49 MB 4.67 MB 0/0
                              sit0 0.00 KB 0.00 KB 0/0


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                              Model Intel(R) Pentium(R) D CPU 2.66GHz
                              CPU Speed 2.66 GHz
                              Cache Size 1024 KB
                              System Bogomips 10646.51
                              PCI Devices - Audio device: Intel Corporation
82801G
                                - Communication controller: Tiger Jet
Network Inc. Tiger3XX Modem/ISDN interface
                                - Ethernet controller: Marvell Technology
Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller
                                - IDE interface: Intel Corporation
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                                - SMBus: Intel Corporation 82801G
                                - VGA compatible controller: Intel
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                              IDE Devices - hdc: CD-RW IDE5224

                              SCSI Devices - ATA WDC WD2500KS-00M
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                        Memory Usage
                              Type Percent Capacity Free Used Size
                              Physical Memory 20%  806.78 MB 195.65 MB
1002.43 MB
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                              - Buffers  2%    17.18 MB
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                              Totals :   1% 215.63 GB 1.75 GB 228.98 GB





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