[Asterisk-video] 3g call failed

[Konrad Różycki]

chenqy2 pisze:
> Hi,all
>    We're using asterisk+h324m to make 3g gateway,and the hardware is 
> pc + digium TE210PF card. Now we made two gateways .First ,we connect 
> the two gateway directly through E1.We run h324m_call on the first 
> gateway,and run h324m_gw and h324m_gw_answer on the second 
> gateway,everything is ok.But when we add a pbx in the middle of the 
> two gateway,the call failed.I described it in detail.The first gateway 
> connected to AVAYA pbx 8730 through E1,signaling is pri,and the second 
> gateway connect to the same AVAYA pbx 8730 through another 
> E1,signaling is also pri.When we run h324m_call on the first gateway 
> to make call,we found the second gateway had answered the call,the 
> h324m_gw and the h324m_gw_answer on the second gateway has 
> been excuted,but whatever the h324m_call running on the first gateway 
> or the h324m_gw and the h324m_gw_answer running on the second 
> gateway, they all stopped after the information "H324M changed state 
> 1" appears,until we hangup manually.I think the avaya pbx is only a 
> *transparent way, so it is the same as the two gateway's* 
> direct-connection.I don't know why the call failed? Who can help me? 
> The asterisk version is 1.6.1.1,the libpri version is 1.4.10.1,the 
> dahdi version is 2.2.0.1,the E1 card is digium TE210PF,and we haven't 
> use LLC patch.
> regards
> Qy.Chen
> 2009-8-23
Hello,

    I had the same problems. Check if you don't have any echo 
cancellation  on E1 ports and tx/rx gains equal zero on them.

Best Regards
-- 
Konrad Rozycki