[Asterisk-Users] Best codec for faxes?

[Steve Underwood]

Julio Arruda wrote:

> Roger Schreiter wrote:
>
>> Matthew Boehm schrieb:
>>
>>> I'm not using asterisk as the "fax machine" a la rxfax and the like. 
>>> I'm
>>> using an ATA (linksys, grandstream, etc) plugged into a fax machine. 
>>> I know
>>> not to use 729 for faxing. Which 'should' I use?
>>> ...
>>
>> Hi,
>>
>> use G.711, and you'll have ISDN quality!
>> Tradidional analog adaptors for ISDN do the same,
>> and (analog) faxing over ISDN is working fine, isn't it?
>
>
> I would expect FAX over ISDN to work better than fax over G.711 on 
> some networks.
> ISDN doesn't have the jitter/packet loss of IP networks (unless you 
> control the whole path or has some nice SLA :-)). The price being, is 
> a circuit switched technology.
>
Clue: G.711 is the codec used over ISDN :-)

Steve