How to display member extension and absence messages from the keyphone system to the keyphone phone

摘要

end. TECHNICAL FIELD [0002];The present invention relates to a key telephone system.;I. Technical Problems to be Solved by the Invention:;In the conventional key telephone system, in order to confirm the absence setting of the extension telephone using the key telephone, it is only necessary to call the extension telephone set.;All. Summary of the Invention:;In the present invention, when an extension phone requesting a member setting is detected, the extension phone sets the extension phone to the absence mode, and transmits a absence signal indicating that the extension phone is unset, and a key requesting confirmation of the absence message of the absent extension phone And transmitting the absence message of the extension phone when it is input. [0002] The present invention relates to a method of displaying a member extension and an absence message in a key phone in a key phone system.;la. An important use of the invention:;The function to display the extensions telephone set which is absent from the key telephone main unit to the key telephone.