[asterisk-users] Multi-tenant with receptionist features for managed service

[Gordon Henderson]

On Tue, 17 Mar 2009, Gavin Henry wrote:

> Yeah, I've experienced that. But what can you do other than stick woth
> a fat codec.

It's tricky. I've been experimenting & looking at the possibilitys of 
using different codecs based on destination, so UK landlines stick to g729 
as teh transcode to alaw is OK, but to offshore destiantions look at 
taking the call in G711... Tricky to get it right without transcoding 
yourself which you always wnt to avoice (well I do!)

Gordon

>
> On 17/03/2009, Gordon Henderson <gordon+asterisk at drogon.net> wrote:
>> On Tue, 17 Mar 2009, Gavin Henry wrote:
>>
>>> 2009/3/17 Gordon Henderson <gordon+asterisk at drogon.net>:
>>>> On Tue, 17 Mar 2009, Geraint Lee wrote:
>>
>>>> I know of a local company who're regularly putting 20 concurrent calls
>>>> over
>>>> the same broadband setup using G729...
>>>
>>> Yeah, we use g.729 ourselves too.
>>
>> The issues I've had have been when theres transcoding going on that you
>> can't control - ie. outside your network, so I can go point to point from
>> end-user phone to the people I peer with, but if they then transcode to
>> G711 to go to the PSTN, it's OK, but if it then gets transcoded to GSM for
>> a mobile, or back to G729 to go to an "expensive" overseas location, then
>> quality does suffer )-:
>>
>> Gordon
>>
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