Remotely accessing special services in telephone exchange

Telephonic communications – Call or terminal access alarm or control – At switching center

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Details

379211, 379231, H04M 300, H04M 342, H04M 700

Patent

active

057906467

ABSTRACT:
An incoming call service method and apparatus for an exchange, having a character conversion table and a specific function table, includes: receiving and comparing an extension number and a password of a subscriber upon the generation of a specific office line incoming call; if the extension number and the password are identical to previously stored information, analyzing key data received, based upon the character conversion table and the specific function table; if the received key data is character information, converting the key data into character data to transmit the character data to a corresponding extension subscriber; and if the key data is function information, setting a corresponding function of the corresponding extension subscriber.

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