We can conference (internal) ip phone calls all day and can conference calls through the h.323 gateway if both calls are outbound. But if we try to conference an inbound call with any other kind of call (inbound/outbound/ip phone) the first caller has one-way audio. The conference can hear him but he can't hear anything. All subsequent conference participants can hear everything fine, it's just the first caller.
CCM version is 3.1(3a) w/spF and es27. Phones are 7940/60 w/load of P00303010403.
Has anyone else had this problem, or does anyone have a hint as to what I should be looking for? Any and all help is most appreciated.
Re: Cannot conference inbound calls through H.323 g/w
The problem you encountered is pretty unusual. Anyway, what codec did define in your voip dial-peer for your voice gateways? In any normal situation, only G711ulaw is supported for conferencing. Just check the codec and probably the regions define in your CCM.
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