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.
Khartoum Net Technologies is a registered company under the law of Texas , established in 1998 with a Branch office in Dubai U.A.E. Khartoum Net Technologies has built one of the most extensive integrated voice networks, representing a key step in our ong
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