“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.
Al- Hussaini Telecom is a global carrier and provider of high quality international long distance telecommunication services, exclusively sells to other telecommunication companies and has strategically decided two target high yield niche markets in Asia
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