Call waiting with “Caller ID” uses a special signal in order to warn you about an incoming call, during another call there are shown the name and number of the calling subscriber on the display. The function also allows switching between two calls.
Big Allo is a global provider of Internet telephony services.Using any of our products, you can place and receive calls through any Big Allo product via the Internet by using Voice over Internet Protocol (VoIP) technology. Through its cutting-edge solutio
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