A virtual number, also known as direct inward dialing (DID) or access numbers, is a telephone number without a directly associated telephone line. Usually, these numbers are programmed to forward incoming calls to one of the pre-set telephone numbers, chosen by the client: fixed, mobile or VoIP. Virtual Mobile Numbers (VMNs) are numbers used with mobiles and capable of receiving SMS.
See Melrose Labs Voice Gateway/Inbound Voice, Melrose Labs Tyr SMS Gateway/Virtual Mobile Numbers
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