September 11, 2016

Digital Mobile Radio system (DMR)

Digital Mobile Radio (DMR) is a digital radio standard specified for professional mobile radio (PMR) users developed by the European Telecommunications Standards Institute (ETSI), and first […]
August 28, 2016
PABX system

What is PABX/ IP PBX/ VoIP PBX/ Hosted PBX/ Virtual PBX

   PABX (Private Automated Branch Exchange)? This page discusses PABX which is a telephone switching system, a server that works automatically. Originally it was called PBX […]
August 23, 2016

What is OTN system?

The principal advantages of fiber optic cable as compared to copper cable are well known and include almost perfect electromagnetic isolation, light weight, compact size, excellent […]