[Asterisk-Users] G.729 pass thru Asterisk

[Michael Manousos]

Chee Foong wrote:
> Hello,
> 
> I have te following setup:
> 
> IAX client -----(iax)-----> Asterisk -----(h323)----> Cisco AS5300
> 
> At the present moment GSM codec is used betwee IAX client and Asterisk. G729
> is used between Asterisk and Cisco AS5300.
> 
> I am thinking that switching from GSM to G729 between IAX client and
> Asterisk. I know I need G729 licence at the IAX client, but at the Asterisk
> side can I make Asterisk pass through G729 to Cisco AS5300. This way I do
> not have to purchace G729 licence for the Asterisk server only for the IAX
> client.
> 
> I wonder how this can be done in Asterisk? For example what should I set in
> the iax.conf or any other .conf file?
> 
> Reading some of the post in the mailing list, someone mention Asterisk only
> support passthrough for G723. is that true?
> 

G.729 passthrough in Asterisk works with asterisk-oh323
(tested with CISCO 1750 routers).

Michael.