VoIP (over frame) - no sound in either direction after call is established.
I have two 3640 routers connected via a frame-relay cloud (a router acting as a frame-relay switch). Each 3640 has a 2FXS WIC card. I can make calls all day - the other phone rings, I pick up, but I cannot hear myself speak through either phone. Am I doing something wrong here???? Below are the basic configs. And, I can ping back and forth all day and ip routing is enabled - I have BGP running and peers established (I read somewhere else that "ip routing" was an issue in cases like this - I just wanted to state that to rule that out)....
Re: VoIP (over frame) - no sound in either direction after call
First if you have a very low bandwidth and obviously no traffic shaping, you will get very poor quality voice if data is running on the link. But if we are getting absolutely no audio, then try the following:
1. On both routers, make sure when a call is up, the 'show call active voice' output shows active/active
2. Show frame ip rtp header (done a few times) should show both transmit & received compressed packets incrementing. you can clear it first and then look at it w/ a new call (clear ip rtp header)
3. Make sure you have 'voice rtp sent-recv' and 'voice call send-alert' on both routers, globally defined
4. Make sure 'show voice dsp' shows the tx/rx packets in and out of dsps incrementing for the BUSY DSP channel on which you have the call.
5. show ip socket=> the ip addr for local and remote for the voip ports should match your session target ip addresses.
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