In the past, when you call an office building or business, you would either be transferred to the department you want to talk to, or given their extension number. This extension is usually a 2-3 digit code that when dialed, transfers you automatically to the particular person or department you want to speak with. The reason why this code works is because it is programmed into a PBX system.
General Telephone & Telegraph Ltd
General Telephone & Telegraph is a Telecommunications Solutions Provider. We work with companies to make sure that they have the best telecommunications systems that they need to operate their business effectively for both their employees and their custom
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