[asterisk-users] Grandtream Conference issue

[Tony Plack]

> Hi,
> I'm using Grandstream IP phone GXP2000, with Asterisk 1.4.15 I'm
> using g729 codec and want to use only this codec for the calls. My
> normal calls are going fine. But issue is coming when I'm using the
> conference from the Line1 and Line2 Option. When I'm initiating the
> conference at that time, IP phone is sending the G711ulaw for the
> conference call, while in my phone I've set the all codec option to
> PCMU only.
>
> Due to this I'm facing issue.
> Any solution for this problem, please let me know.
>
> Regards,
> Keshav

Spoke with Grandstream about this awhile ago, they only support one G729 call per phone at this point.  Not sure if the latest ROM works for this or not, I have yet to try it, but my guess is no, because it is not listed on their fixes.