“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.
Thucatel Incorporated
Thucatel is an Information and Telecommunications Technology services company. Thucatel is committed to providing you with a business-critical data, voice, network and security infrastructures, with an emphasis on service quality and the deployment of hig
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