Thanks for that response Gordon, might check on that. This is what I tried so far but not much joy.1. Disable noise generation2. Disable VAD3. Set codet to G711 a-law (outside of US)config tvoice-port 2/0no vadno comfort-noisecompand-type a-lawI got ...

Anyone have answer to this would appreciate if you can share the solution if any? We have similar problem. It worked intermittently which makes it really frustrating.Our setup is SIP GW-----CUBE---MGCP---CUCM-----SCCP----VG224----Credit Card POSIOS v...