“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.
Commbicell estabilished in 2005. Commbicell Is the leader in advanced Internet-based voice communications,offering termination services to over carriers worldwide. Commbicell operates the fastest growing global network for voice on the Internet and main s
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