| 摘要 |
registering message wait for an extension subscriber, if a general subscriber message waiting is requested, and outputting a ring signal in an extension subscriber's telephone side to inform the extension subscriber of the message wait state; if the extension subscriber's telephone is off-hooked, outputting a tone signal or a guide voice signal to the extension subscriber's telephone; if a message wait response code is inputted through the extension subscriber's telephone, automatically calling the general subscriber to connect a speech path to the extension subscriber's telephone; and if the cancel of the message wait is requested, cancelling the message wait and stopping the output of the ring signal to the extension subscriber's telephone.
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