Multiple Call Arrangement
Multiple call arrangement - allows the user to receive several calls simultaneously, even if they came by the same line. This stops the redirection of incoming calls directly to voice mail in case the line is busy or if the user is already involved in an active call.
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.
DialOst GmbH
Dialost Group is a Voice-over-IP (VoIP) service provider with the headquarter in Moscow, Russia and additional operational offices located in Amsterdam, The Netherlands and Berlin, Germany. The group consists of three companies - Dialost Limited, Dialost
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