http://msrprelay.org/MSRP Relay (RFC 4976). Its main role is to help NAT traversal of MSRP based Instant Messaging and File Transfer sessions between SIP end-points located behind NAT.enContents © 2026 <a href="mailto:support@ag-projects.com">AG Projects</a> Mon, 06 Jul 2026 08:50:52 GMTNikola (getnikola.com)http://blogs.law.harvard.edu/tech/rss