The function is available in some telephone networks and it allows
receiving the other call at the moment of the actual conversation by the method
of setting the active call in the waiting mode or cancellation. This will let
not to miss an important call and to agree upon time when it will be possible
to call back.
IXC Softwitch is a high performance scalable Class 4 VoIP Softswitch solution with user friendly GUI web interface, which enables secure large VoIP traffic flow over various IP networks.