Method for embodying automatic call in a keyphone system

Telephonic communications – Multi-line or key substation system with selective switching...

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379159, 379158, H04M 100

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active

059636297

ABSTRACT:
A method for embodying an automatic call during an idle state. The method for embodying the automatic call in a keyphone system, where an extension number of counterpart's keyphone for automatic call is registered in correspondence with a keyphone system capable of embodying the automatic call, thereby connecting the automatic call upon the two keyphones under the idle state.

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