Communication terminal device, call-history memory method and ca

Details Communication terminal device, call-history memory method and ca Communication terminal device, call-history memory method and ca

1997-10-07

2000-05-16

Chan, Wing F.

Telephonic communications

With usage measurement

Call traffic recording or monitoring

379354, 379356, H04M 1500

Patent

active

060647256

ABSTRACT:
A communication terminal device which easily provides a call-history function with superior usability. a call history having the same telephone number as the telephone number call-originated has been stored. If it has been stored, the past call history is canceled and the telephone number call-originated is stored as a call history. Thereby, storing call histories from the same party can be prevented increasing the actual number of storable files as call histories.

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