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.
Bhaoo Private Limited
Bhaoo Private Limited is a leading voice over IP solution provider.
We offer International Voice Termination Services through our Points of Presence in Malaysia and Pakistan. We are directly interconnected with all the major voice and data carrier, Mobi
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