Telephone line security device (TLSD)

Mohd Ahnuar, Zulazri (2008) Telephone line security device (TLSD). [Student Project] (Unpublished)

Abstract

This paper presents the invention relates to the telephone line security. Telephone line security device (TLSD) has been developing to preventing unauthorized use of the telephone subscriber’s set. Act as an inhibit device to isolate unauthorized make a call. The TLSD has a personal identification number (PIN) storing in the PIC microprocessor, the personal identification number (PIN) is a secure number which is used every time when make a call. TLSD includes circuitry which able to disconnect the transmitting element from the telephone if the personal identification number (PIN) given are incorrect. TLSD was tested and develops based on public switched telephone network (PSTN) architecture. An emergency service number is obtainable at any time even when other calls are inhibited.

Metadata

Item Type:	Student Project
Creators:	Creators Email / ID Num. Mohd Ahnuar, Zulazri UNSPECIFIED
Contributors:	Contribution Name Email / ID Num. Advisor Mohd Idrus, Mohd Faizul UNSPECIFIED Advisor Yusof, Yusrina UNSPECIFIED
Subjects:	T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Telecommunication > Data transmission systems T Technology > TK Electrical engineering. Electronics. Nuclear engineering > Cell phones
Divisions:	Universiti Teknologi MARA, Shah Alam > Faculty of Electrical Engineering
Programme:	Bachelor of Electrical Engineering (Honours)
Keywords:	Security device, Telephone line, Public switched telephone network (PSTN), Personal identification number (PIN)
Date:	2008
URI:	https://ir.uitm.edu.my/id/eprint/123010