| 摘要 |
A location based service data-communications protocol, the protocol including the steps: receiving a call from a communications device; discerning location-relevant information about a present location-cell of the communications device; by interrogating a database facility, finding at least one authorized support authority for the present location-cell; and routing the call to a support authority selected from the at least one support authority. The caller may presently be in a fixed location or may be mobile. For a fixed location caller, a preferred embodiment relates to customer services. For a mobile caller, a preferred embodiment relates to a cellular accompaniment service transaction model, to a mobile data-communications device initiated call for the service; wherein a combination of voice and digital accompaniment is provided to the caller in conjunction with caller location-based data - according to a respective degree of location based accuracy feasible for determining the caller location.
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