uk ringback tone on 3cx client

  1. UK Ringback Tone when dialing out Patton t1

    I am trying to setup outgoing calling using a patton 3970 gateway. Everything is working except for when making outgoing calls using the 3cx client I get the double UK style ringback tone. I have made sure ( I think) that the tone profiles are set correctly on the Patton. When using a Snom D715...