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.
PanTerra''''''''s WorldSmart delivers cloud-based unified communications to businesses around the world, integrating business VoIP, web and desktop collaboration, digital fax, instant messaging, presence, mixed medium group conferencing and call center se
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