Can someone explain me brief about the VAS in telecom ? How it works ? Which network elements it includes ? what are the protocols used ? Anything related to VAS which gives sense to me is appreciable.
Is there any limitation of LTE CUPS based network compare to existing LTE network ?
New York’s based Cablevision has launched a Voice over Wifi service, check the following
https://www.youtube.com/watch?v=EhBkhzvb6FA
Now the question is do we have any specification which talks about voice over WiFi and any other use case.