SIP Trunking acts as a virtual connection between an organisation and an Internet Telephony Service Provider (ITSP) either via lines that link SIP trunks to other IP traffic, or through the Internet via a Virtual Private Network (VPN).
During a call, you can have any of the following scenarios and more:
See the diagram on the right showing how calls flow from a SIP phone (VoIP) in a business to the internet. Nowadays, instead of routing voice calls over copper lines, SIP trunking sends them over data networks. In other words, the physical phone line is replaced with a virtual one which provide better quality voice solutions. The setup you’ll need to make the switch to SIP trunking includes the following:
Metcom supply & install Epygi IP PBX systems and range of IP Phones & Telephony products to suit. Visit our shop or contact us for a quote.