Importance

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Abstract

One of the internal key telephone sets coupled to a key telephone apparatus capable of automatic call distribution operates as a supervisor and other operate as agents. Under the automatic call distribution, the statuses of the agents and their number are stored in a memory. The stored statuses of the agents are informed to the supervisor. Each key telephone set has a display unit. When one of the key telephone sets operates as the supervisor, the informed statuses and their number are displayed on the display unit of the supervisor. With identification data of a specific agent, the status of the specific agent is displayed on the display unit of the supervisor. To operate one of the key telephone sets as the supervisor and other the agents, first, a password is entered from one of the key telephone sets. The input password is compared with a first reference password for the supervisor and with a second reference password for the agents. When the input password is equivalent to the first password, the telephone set is registered as the supervisor. On the other hand, when equivalent to the second password, the telephone set is registered as the agent.

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First Claim