1 Way voice after transfer by outside party using keyphone system
I have a very strange problem at one of my customer premises running cm 4.1. We were able to call everywhere no problem except 3 sites running keyphone system. When we call the outside A, A operator transfer the call to any other phone, after the transfer, we can hear them but site A people cannot hear us.
It is the same eventhough, site A is the one that call us.
the call flow ->
IPphone->h.323 GW->ISDN Pri->PSTN->site A Keyphone system.
My question is when site A transfer the call, there shouldn't be any changes on the RTP stream from the h.323 gateway to the IpPhone right???
So what actually cause this problem, can any body shed some light on this.
Re: 1 Way voice after transfer by outside party using keyphone s
uncheck the "Wait for Far End" option. Also, check and see what codec is coming across on the local AND Remote phone (if possible...I know the remote is a station on the key system, so I don't exactly know how to check that unit...) and see if it is actually coming across as a G711 and NOT a G729, which needs a transcoder, as you know...
I ran into this problem and did some manipulation with IOS transcoders through the call legs to get it to process correctly.
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