SIP Links

This page contains links to SIP-related information, including white papers, articles, and other information.

• SIP Information Site
• SIP Forum
• Skyetel - Overview of the FCC for VoIP Providers
• Tech-invite - Inside the 3GPP Standardization Environment (SIP Overview)
• SIP - Columbia University (historic)
• Session Initiation Protocol (SIP) Working Group Supplemental Home Page (historic)
• Unicoi Systems - SIP Stack
• SIP Foundry
• JAIN™ SIP API (Java developers)