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New Member

IP Phone <-> IP Phone just one way voice at two CCM server

Have two CCM and two IP Phone.

one ip phone(phoneA) registered CCM-A

one ip phone(phoneB) registered CCM-B

when I phoneA call to phoneB,connect 5 min later,

phoneA can't hear voice from phoneB.

is CCM problem or IP Phone problem ..

have anyone happen this problem, how can I do to fix this problem.

4 REPLIES

Re: IP Phone <-> IP Phone just one way voice at two CCM server

generally one way voice is a routing issue so check your routers, also another thing to check is that h323-gateway voip bind srcaddr is configured on the interfaces on your gateways that the call managers point to

hope this helps

New Member

Re: IP Phone <-> IP Phone just one way voice at two CCM server

thanks you reply,

but I just use IP Phone <-> IP Phone,

not use Cisco h323 VG, so ..

is about h323-gateway voip bind srcaddr work.

because I don't know to use that command.

can you give me a sample...

Re: IP Phone <-> IP Phone just one way voice at two CCM server

i presume your call mangers are seperated by routers if they are check the routing and also put in the h323-gateway voip bind srcaddr command on the ethernet interfaces this is so that the call mangers know where the calls come from (we had the same problem and when we put this in all was ok)

hope this helps

New Member

Re: IP Phone <-> IP Phone just one way voice at two CCM server

Thank you very much.

If these command can do it.

how can I use it.

can you give me a sample.

other thing .

My office router is 2501,no command to set h323 at interface.

so..

I need some help.....

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