Selective Call Acceptance & Rejection
The selective call acceptance allows controlling incoming calls by making a list of telephone numbers which you are ready to accept. But incoming calls from subscribers that are not listed are directed to the answering machine by which the caller is informed that you do not accept calls at the moment.
Aastra 6753i is a classic SIP terminal, ensuring convenient work with the high flow of incoming calls in a professional manner.
IXC.UA
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.
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