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.
R&B IP Consulting Services Srl
Dalla forte esperienza di un consolidato gruppo di ITC Consultants nasce R & B, IP Consulting Services.
Professionisti del settore, che operano fin dall
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