| 摘要 |
A system for provisioning of enhanced telephone services by the subscriber is provided for a base telephone account. The system allows enhanced services that are recorded to a subscribers base telephone data block at the PSTN provider to be configured based on time of day, week, or any user identified formula. Enhanced services include multiple telephone lines, voice mail, call waiting, and access to special lines. By provisioning services, a subscriber can pay prorated charges for only those services during the designated time span of activation.
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