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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.
Datasoft Networks Inc.
Datasoft Networks is a full service VOIP provider. Datasoft prides itself in providing high quality origination and termination services both domestic and international routes. Among the many features of doing business with Datasoft are: multiple codecs a
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