Methods for cellular pay phone/debit phone support

Details Methods for cellular pay phone/debit phone support Methods for cellular pay phone/debit phone support

1997-03-25

2000-05-30

Le, Thanh Cong

Telecommunications

Radiotelephone system

Usage measurement

455407, H04B 700

Patent

active

060700661

ABSTRACT:
A communications system and a method for providing support for at least one cellular pay phone/debit phone are disclosed. The system has cellular controller for providing cellular communication services to the pay phones/debit phones so as to allow the pay phones/debit phones to communicate with other phones. The system calculates a charge rate for a call being made by a pay phone/debit phone and sends the charge rate to the pay phone/debit phone in a message containing a standard air interface message which is being used in a non-standard manner. The message contains information which allows the pay phone/debit phone to determine the charge rate.

REFERENCES:
patent: 5524135 (1996-06-01), Mizikovsky et al.
patent: 5577100 (1996-11-01), McGregor et al.
patent: 5749052 (1998-05-01), Hidem et al.
Krayem-Nevoux R et al: Payphone Service For Third Generation Mobile Systems Proceedings Of The Global Telecommunications Conference, Houston, Nov. 29-Dec. 2, 1993, vol. 3 of 4, Nov. 29, 1993, Institute Of Electrical And Electronics Engineers, pp. 1708-1712, XP000436103.
EIA/TIA Interim Standard, IS-136.2-A, Mar. 1996, pertinent pages.
"Pay Phone Support in IS-136," Nov. 1995, pertinent pages.
EIA/TIA--IS-54-B, pertinent pages.
TACS Mobile Station-Land Station Compatibility Specification, Issue 4, pertinent pages.

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