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)