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.
Voice System creates robust and flexible products and solutions for Voice over IP. Developing today`s leading VoIP technology, SIP, Voice System delivers solid platforms for ITSP to meet the needs for large customer populations and carrier grade infrastru
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