Tamper resistant circuitry and portable electronic devices

Technique for controlling fraudulent use of a...

Techniques for identification of connected and idle mode...

Techniques for voice-based user authentication for mobile...

Telecommunication call management and monitoring system

Telecommunication call management and monitoring system

Telecommunication call management and monitoring system with...

Telecommunication call management and monitoring system with...

Telecommunication device comprising a base station and at least

Telecommunication system with improved confidentiality

Telecommunications system, mobile terminal and method of...

Telephone system

Telephony device comprising a base station and at least one...

Telephony fraud detection using voice recognition techniques

Terminal authentication procedure timing for data calls

Terminal device and terminal device operation management...

Test enabled application execution

Third party access gateway for telecommunications services

Tracing of signalling messages

Traffic redirection in cloud based security services