“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.
Telecam
Telecam is a company 100% Salvadorian founded on 1996, operating one of services of Telecommunications at characterized world-wide level in operating with the most modern existing technologies. Telecam provides services of long International Distance, spe
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