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.
DataTEK GROUP INC este o companie creata in urma cu 8 ani, in Canada, cu scopul de a dezvolta si exploata la maxim oportunitatile oferite de tehnologia VoIP, oferind servicii care se bazeaza pe implementarea optima a tehnologiilor de varf, combinata cu ne
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