Cisco RJ-21 Pinout
Cisco multi-port voice gateways have one or more ports for analog phones which is called RJ-21. Since the distance between the Cisco…
VoIP
openSIPS Installation Steps
openSIPS is a multi-purpose SIP server that is used by many telephony service providers and offers Class 4, Class 5, wholesale VoIP,…
How to Install & Configure TURN Server (coTURN)
This blog page covers how to install and configure coTURN server for your SIP or WebRTC projects (like Jitsi Meet) to allow…
What is ENUM? ENUM Syntax
ENUM (Telephone Number Mapping, E.164 Number to URI Mapping) is an addressing protocol that converts telephone numbers to URI format (name@domain). This…