VoIP & PBX Technology and Study
VoIP&PBX History, Development and Future
Hotel Phone System Hotel Phone System should be a must for most hoteels or motels, which has been using Analog Phone System(Analog PBX) in past decades. There were some technical and financial issues if swifting to IP-PBX: 911 service IP-phone… Read More
How to set up a PBX without phone line? How to set up a PBX without phone line? That means you need a wireless bridge to connect GSM network like 3G/LTD/5G. In other words, you need to set up a… Read More
Debian/Ubuntu: Best Replacement of CentOS Debian/Ubuntu: Best Replacement of CentOS. CentOS 8 will not be supported at the end of 2021. Althought CentOS 8 could be swifted to CentOS 8 Stream, the situation would be changed significantly and CentOS 8… Read More