“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
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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