SIP Response Codes

In this article: 1xx – Provisional Responses 2xx – Success Responses 3xx – Redirection Responses 4xx – Request Failure 5xx – Server Failure Responses 6xx – Global Failure Responses 1xx – Provisional Responses (Informational)...
3CX VoIP Providers

3CX VoIP Providers

The 3CX certification process for VoIP providers is in-depth and goes far beyond simple call in/ call out tests. 3CX is a diverse and feature rich phone system with many aspects to understand from deployment to maintenance. VoIP providers supplying end customers with...
SIP Trunking Basics

SIP Trunking Basics

Businesses of all sizes are making the move from traditional PSTN lines to SIP trunking, due to the reduced costs and improved scalability associated.   SIP Trunking – SIP Trunking allows telephone services to be delivered over IP – a core part of Voice...
SIP Forking

SIP Forking

What is SIP Forking? SIP Forking is the process allowing a single SIP (session initiation protocol) call to be directed to multiple devices. An upgrade from traditional call forwarding, two types of SIP Forking is available – parallel forking, or sequential forking....