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.
EasyTel Networks Inc.
EasyTel Networks Inc. is a UK based privately owned telecom company that has developed and grown within an ever changing marketplace through innovation and capable of delivering high quality toll class voice over IP infrastructures. Our specialization is
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