Mastermind Lot 2.05 & 2.06, 2nd floor, Jaya Shopping center, jalan semangat, section 14, 46100. PJ. Selangor. Malaysia Petaling Jaya Selangor ,46100 Malaysia
“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.
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