What version of IOS are you running on the 7206? Does this happen on ever call or just random throughout the day. Are the 7206 and the ip phones on the same vlan? Are you also saying that you cannot call from 1 ip phone to another?
I was watching the "i" call statistics on my phone after going off hook and dialing the number and TxCnt showed packets but the RxCnt was "0" packets and after a certain period of time, approx. 10 seconds the call dropped.
At the 7206 GW I saw the call setup then drop.
What can I look at on Call manager to see if I am receiving from the 7206 GW ?
You would need to turn on detailed tracing for CallManager and then look at the trace files. You would probably want to send them to TAC to help you decipher what is happening. Another thing you can do is open the CCM trace file with the Q.931 Translator which is in C:\Program Files\Cisco\bin
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