Patent ID: 6892232

Claim:
A local networking system for cross-connecting a plurality of local terminals in its network comprising: a memory means to store the local address numbers of the local terminals that have registered into the local networking system; a specified number checking means to check, when the local networking system receives a first dial number from an unregistered local terminal, whether or not the first dial number is a specified number; a registration checking means to receive, when the first dial number is found to be the same with the specified number by the specified checking means, a second dial number from the unregistered local terminal, and to check whether or not a local address number corresponding with the second dial number is stored in the memory means; a non-registration checking means to receive, when a local address number corresponding with the second dial number is found to be stored in the memory means by the registration checking means, a third dial number from the unregistered local terminal, and to check whether or not a local address number corresponding with the third dial number is stored in the memory means; and a local address number registering means to allocate, when a local address number corresponding with the third dial number is found not to be stored in the memory means by the non-registration checking means, the third dial number to the unregistered local terminal as its local address number, and to store the third dial number as such in the memory means.