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.
Founded in 2003 in San Jose, CA, Essence Technology Inc. provides technology, service and solutions to help our customers to be competitive in the IP based communication industry.
With our core technology in hardware acceleration, we provide prod