English to German Tech/Engineering IT (Information Technology)

Wie kann ich "Wireless Directory Assistance" übersetzen?

Es handelt sich um eine Überschrift, auf die diese Absätze folgen:

"A directory is important to any application, on any platform. Directories store information about people and resources. High value applications, especially those in a communications network, rely on the directory as a foundation for all applications. In the telecommunications industry, however, directory assistance is based on old models of proprietary control and olds methods limited to name, city, state and country look up. A variety of contact connections and source of services is provided. For example, mobile and wireline customers can take advantage of directory, communication and commercial services over the telephone.

Existing directory services have not kept pace with the multitude of new communications devices. This is especially true for mobile phones and Internet Protocol (IP) devices. These directories have evolved from a system of local monopoly networks that were not focused or attentive to consumer demands and diversified services. The lack of subscriber directory services for mobile devices demonstrates that the old directory model lacks the flexibility and features to attract mobile listings and usage. There are several key reasons for this."

Danke!