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.
Nihan Technologies and Consultancy Ltd. (NTCL) a visionary and goal-oriented professional IT Organization established in 2002 with demonstrated technical skills and broad experience in planning, developing, and implementing cutting edge information soluti
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