Thursday at 7:55 PM #1 powercom Programmer Dec 30, 2016 71 LB Hello Guys,No Ringback Tone from side Aastra IP PBX using V-IPGW16 Connection with Panasonic KX-NS1000what is the solution please ?
Hello Guys,No Ringback Tone from side Aastra IP PBX using V-IPGW16 Connection with Panasonic KX-NS1000what is the solution please ?