[asterisk-users] G.711a or G.711u ???

[Zeeshan Zakaria]

Doesn't really matter unless you want to use zaptel lines on one end and
VoIP lines on the other end, and want to avoid mismatch between your telco
and your IP phones codecs. Transcoding between aLaw and uLaw in my
experience can degrade voice quality. If you are using zaptel, and your
telco supports aLaw, then use aLaw otherwise use uLaw. uLaw is North
American standard and aLaw almost rest of the world.

--
Zeeshan A Zakaria

On 2010-03-23 3:48 PM, "Alejandro Cabrera Obed" <aco1967 at gmail.com> wrote:

Dear all, I have an Asterisk SIP server in a LAN environment and I want your
opinion in order to decide the use of an audio codec:

What audio codec is better, G.711a or G.711u ??? Which suites to my LAN voip
calls ???

Thank you !!!

Alejandro

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