Faith Issue 12 - PSTS information gathering, TACS - Customer Line Testing on Digital Exchanges, Meridian PBX remote administration, Cellular phone tracking, and Overview of digital CCITT system 5.
Faith Issue 12 - PSTS information gathering, TACS - Customer Line Testing on Digital Exchanges, Meridian PBX remote administration, Cellular phone tracking, and Overview of digital CCITT system 5.