Call processing device and method

Details Call processing device and method Call processing device and method

2009-03-26

2010-11-02

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Fault recovery

C370S419000, C379S093090, C379S093050, C379S156000

Reexamination Certificate

active

07826347

ABSTRACT:
A call processing device communicating with a plurality of line cards includes a mapping table and an address table. The call processing device receives a telephone number, searches the mapping table for one index related to the received telephone number, searches the address table for one address corresponding to the sought index, rejects a call corresponding to the received telephone number if the sought address is a specially preset address, and updates one or more of the addresses of the line cards in the address table if operating modes of one or more of the line cards are changed. A call processing method is also provided.

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