[Asterisk-Users] 711 and 729 with IAX? (IAX Newbie)

[Rich Adamson]

> If I send a call to a provider over SIP, I have to designate which codec to
> use (711 or 729).
> Having never used IAX I have to ask: If I send a call via IAX does IAX use
> 711/729 as well?
> If a SIP 729 call uses 20Kbps, what does an IAX/729 call use?

Depends on how you have asterisk setup. Most of us happen to use
gsm over iax which works great (from my perspective) for voice.