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 1988, Citilink Group is today one of the leading lights in the Nigerian business community. It is a multi-investment company with interests in communications, information technology, finance, travels and tours, and consultancy.