[Asterisk-Users] G.711alaw to iLBC

[steve at daviesfam.org]

On Sun, 31 Oct 2004, Garry Taylor wrote:

> Hi All,
> I was doing some testing between on extension running SIP at G.711alaw and
> an IAX extension runing iLBC (also GSM) and found that the voice from the
> IAX user has a lot of packet loss (very bad voice quality) toward the SIP
> phone only. From SIP phone to IAX, voice quality is fine. SIP phone is local
> to * and IAX phone is remote to asterisk. Anyone have any ideas? Could this
> be a jitter problem, I am not using a jitter buffer in the iax.conf. If I
> test with two IAX phones both running iLBC the voice quality is fine in both
> directions.

Are you trying to use IAX trunking?  If so, try turning it off.

Steve