“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.
Speed TECHNologies Ltd (Formerly Birmingham & Janetis Ltd, was formed in 1997, with the specific aim of providing the highest level of computer service for small and large businesses as well as quality-conscious home users in West African Sub-region. Good
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