Intercom Paging
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.
Voice over Internet Protocol (VoIP) calling is most convenient when using a mobile phone. BlackBerry users have plenty of choices when it comes to picking a VoIP app that is compatible with their phones so that they can take the convenience of VoIP calling with them anywhere.
Nettlinx Limited
Matallo is a revolutionary Voice-over-Internet Protocol (VoIP) phone service introduced by SmartLinx. through your Broadband Internet connection. Matallo provides carrier-class VoIP service connecting your calls to the outside World. Our VoIP service deli
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