8 ‘Must Knows’ on SIP Trunking

What is SIP Trunking? SIP Trunking is a form of telephony that connects your premises directly to the Public Telephone Network (PSTN) via Broadband/IP. Voice-over-IP (VoIP) telephones are rapidly becoming the most prevalent way for businesses to manage voice communications. SIP uses virtual phone lines rather than physical lines like ISDN.   So… why SIP?…