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.
Audiocodes MP-20x series is a low cost and at the same time multi-functional analog telephone adapters that offer conventional connectivity of phone and fax devices to VoBB broadband voice services.
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