Mobile telephone or WLL subscriber terminal with accounting func

Details Mobile telephone or WLL subscriber terminal with accounting func Mobile telephone or WLL subscriber terminal with accounting func

1998-05-12

2000-11-14

Maung, Nay

Telecommunications

Radiotelephone system

Usage measurement

455406, 455405, H04M 1100

Patent

active

061481912

ABSTRACT:
A mobile telephone with an accounting function enables a user to visually check a call charge through a display unit. The mobile telephone includes a display unit for displaying a call charge according to call charge data, and a controller for calculating the call charge at a predetermined time interval beginning at a time when a call success message is received from a mobile telephone switching office, and providing the call charge data to the display. The mobile telephone includes a memory for storing the call charge, and a keypad with which a user can input charge rate data, wherein the controller stores the charge rate in the memory and calculates the call charge based on the charge rate.

REFERENCES:
patent: 5109401 (1992-04-01), Hattori et al.
patent: 5303297 (1994-04-01), Hillis
patent: 5517555 (1996-05-01), Amadon et al.
patent: 5577100 (1996-11-01), McGregor et al.
patent: 5625669 (1997-04-01), McGregor et al.
patent: 5987107 (1999-11-01), Brown

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