The service allows the user defining the criteria, by which the signal of a certain incoming calls will sound different from the standard signal of the telephone call.
City Telecommunication
CITY Telecommunication focuses in providing robust, high quality, turn-key VoIP (Voice over IP) setup ranging from IP to IP interconnectivity, IP to A to Z VOIP calls, SMS/WEB/ANI/MSN MESSENGER Call Back System and DID calls forward systemsCITY TELECOM In
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