CTX has various meanings in the Technology category. Discover the full forms, definitions, and usage contexts of CTX in Technology.
Centrex An option offered by some phone companies in which up-to-date phone facilities are available to busi-ness customers, giving the customer access to a complete range of phone services without having to purchase or maintain the necessary equipment. Customers can purchase just the lines and services they will use. The name central office exchange refers to the fact that the phone facilities for Centrex services, particularly switching services, are generally maintained at the offices of the local or central phone company. Since Centrex offers a wider range of services, it is replacing PBX for businesses. Also switching. Compare PBX.
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