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Subscriber number`s substitution number managing method for e.g. voice telephony network, involves defining validity condition for substitution number, verifying condition and unassigning substitution number in case of negative verification
Subscriber number`s substitution number managing method for e.g. voice telephony network, involves defining validity condition for substitution number, verifying condition and unassigning substitution number in case of negative verification
The method involves assigning, on request, a substitution number to a subscriber number on a communication network. A validity condition is defined for the substitution number, the condition is verified, and the substitution number is unassigned in case of negative verification. The validity condition is a temporal validity condition such as a validity end date or a validity duration, and is verified periodically. An independent claim is also included for a system for managing substitution number of a subscriber number.
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