Telecommunications – Radiotelephone system – Usage measurement
Patent
1997-03-25
2000-07-11
Le, Thanh Cong
Telecommunications
Radiotelephone system
Usage measurement
455411, H04B 700
Patent
active
06088584&
ABSTRACT:
A method for providing support for both Authentication and Privacy and sending charge rates to pay phones/debit phones on an analog channel in a communication system using mobile station control messages in a non-standard manner is disclosed. Each control message contains an Order Code, a Qualifier Code, and a Local/Message Type. A first group of combinations of Order Code, Qualifier Code, and Local/Message Type are assigned to Authentication and Privacy. A second group of combinations of Order Code, Qualifier Code and Message Type are assigned to sending the charge rates, wherein the first and second groups are mutually exclusive.
REFERENCES:
patent: 5524135 (1996-06-01), Mizikovsky et al.
patent: 5577100 (1996-11-01), McGregor et al.
R. Krayem-Nevoux et al., "Payphone Service for Third Generation Mobile Systems," IEEE, pp. 1708-1712, Nov. 29, 1993.
PCT Notification of Transmittal of International Search Report, Jun. 17, 1998.
International Search Report, Jun. 17, 1998.
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.
Cong Le Thanh
Telefonaktiebolaget LM Ericsson
LandOfFree
Methods for cellular pay phone/debit phone support on analog cha does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methods for cellular pay phone/debit phone support on analog cha, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods for cellular pay phone/debit phone support on analog cha will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-551445