| 摘要 |
A mobile phone system (10) with a mobile phone having internal accounting (12) capabilities for real time call debiting to account for the billing parameters of a mobile phone unit (30) that is operated in a multi zone communication network with a complex rate structure, the mobile phone unit having an internal processor with accessible internal memory for storing the accounting program and call data for each call, the accounting program including an updatable rate table and a complex billing algorithm such as long distance calls, international calls, and charges for roaming per day and/or per minute, where the account status of the mobile phone is calculated in real time for decrementing a debit account, the mobile debit phone having a signal for alerting the user of account status, the mobile phone system including a communication system for activating and programming a new phone unit and upgrading the account status in rate table in the phone unit over the airways.
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