GSM VoIP Solutions
Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
Vermont Web Works - VoiceGator Division
With VoiceGator you can replace your landline and use your regular phones to make and receive virtually unlimited crystal-clear phone calls for for a great price. You can get a new number or transfer your existing number and it works with your regular pho
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