Call Back
Call-Back is when the initiator of a call immediately calls back for the second time as a response.
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.
PacTel Corporation
Wholesale voice services provider, which utilizes a VoIP, and TDM switching facility to route calls internationally.
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