
Real-time person-to-person communication is fast becoming a critical communications tool for enterprises of all sizes. SIP, or Session Initiation Protocol, has recently emerged as the global standard for using the Internet for real-time person-to-person communication applications such as Voice-over-IP (VoIP) telephony, instant messaging, video, and presence. SIP trunking – despite the technically bewildering name – can be a valuable communications service alternative for many enterprises. To help Canadian organizations consider SIP trunks as a new alternative in their communication services IDC analyst Lawrence Surtees addressed important questions on the topic.