[asterisk-users] voice quality

[Rilawich Ango]

Normally, there are 10 concurrent calls in peak.  You are right that
usage g729 is due to bandwidth consideration.

On Thu, Apr 23, 2009 at 2:42 PM, Gordon Henderson
<gordon+asterisk at drogon.net> wrote:
> On Thu, 23 Apr 2009, Rilawich Ango wrote:
>
>> Hi all,
>>  I wonder who has the same voice quality problem as what we have.
>> Below is our configuration.
>> Company --- asterisk 1.4.22 (g729) --- CISCO --- T1 --- customer
>>
>> Sometimes, customers told me that they heard our voice not very clear,
>> like a call from far far away.  I heard the recording is ok and there
>> is no such effect in it.  Can I assume the following?
>>
>> -voice quality is ok in asterisk as recording is ok
>> -The "far far away" effect is happen between asterisk and customer end
>>
>> Anyone can give me some suggestions to solve/test it?
>
> How many concurrent calls are you making?
>
> Not using G729 between the Asterisk box and the Cisco would be a start -
> at least for 1 or 2 calls - but I guess you'res using g729 due to
> bandwidth restrictions...
>
> Gordon
>
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