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.
IN Call Company
IN-Call Co. is a manufacturing, marketing and sales-driven company, providing advanced, State of the Art, Digital Telephony products to the international consumer electronics markets, as well as the Corporate market. Our major products are the revolutiona
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