| 摘要 |
A method includes maintaining a repository of location identifiers and billing identifiers, wherein each of a plurality of network devices is associated with a location identifier in the repository, and each location identifier is further associated with at least one billing identifier. The method further includes receiving a communications message; determining a location identifier associated with the communications message; selectively retrieving a billing identifier from the repository based at least in part on the location identifier; and determining a billing rate based at least in part on the billing identifier.
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