| 摘要 |
PURPOSE: To enable users of respective slave equipments to securely use one- operation dial numbers and abbreviated dial numbers registered in the respective slave equipments by preventing a connection in wrong combination of a master equipment and a slave equipment. CONSTITUTION: When a slave equipment 17 is set to the master equipment 10, discrimination information set in the slave equipment 17 is sent by radio to the master equipment 10 through a slave equipment antenna 19. The master equipment 10 discriminates by a slave equipment recognition part 12 whether or not the discrimination signal 20 received by a master equipment antenna 11 matches discrimination information registered in the master equipment 10. The slave equipment recognition part 12 supplies a discrimination result signal 21 showing the discrimination result to a discrimination result transmission part 13. The discrimination result transmission part 13 sends information showing whether or not the master equipment 10 and slave equipment 17 are used originally in a pair to the outside.
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