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Calls getting dropped

manumohan200
Level 1
Level 1

Hi,

My scenario is like this:

IP Phone ---> Call Manager---->h323 gateway--->Avaya -----> Avaya phone.

I have created two device pools, DP-1 and DP-2 and assigned separate regions to these Device Pools. The codec between these regions has been configured as G.729. One hardware transcoder has also been created in the router and assigned to a MRGL which both DP's are using. IP Phone has been assigned to DP-1, and H.323 gateway has been assigned to DP-2. So the calls through this gateway to Avaya will be G.729 codec. Avaya has been configured to make the calls to the H323 gateway as G.729.

Whenever I am making a call to Avaya, I am able to get the ring from Avaya, when the receiver is picked up I am not able to hear anything. This is same when both side makes a call.

The IP reachability is there between all the devices. I have tried making the MTP required checked and unchecked under the gateway configuration, but the same result.

In the debug voip ccapi inout I am getting an error which is attached herewith.

The error code mentioned is 47 which is no resource. I have also checked by changing the codec values on both the ends.

Can anyone tell what could be the problem?

Thanks,

Manu

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