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Communications
Class Information
Number:
379/141
Name:
Telephonic communications
>
With usage measurement (e.g., call or traffic register)
>
Call traffic recording or monitoring
>
At subscriber
> Mechanical register
Description:
Subject matter wherein the traffic information is sorted in a mechanical register.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
6453032
Method for creating and modifying similar and dissimilar databases for use in dialing plan configurations for telecommunication systems
Sep. 17, 2002
6226272
Meter-rate billing system on a LAN system
May. 1, 2001
5825859
Display control device allowing information transmission to both display and dialer
Oct. 20, 1998
4430528
Telephone call counter
Feb. 7, 1984
4000372
Telephone call amount recorder
Dec. 28, 1976
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