Sip Trunking is a SIP (Session Initiation protocol) enabled phone line that is transferred over the internet. It is cost efficient way for businesses to get a flexible, functional, scalable phone system without any huge upfront cost. Often businesses are not prepared to switch to SIP Trunking. This presentation is intended to help businesses prepare for their transition from traditional phone system to VoIP phone system.
SIP Trunking requirements
SIP Trunking 20 May 2015