RFC 1830 PDF

E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)

Multiplexing Scheme Updates for Secure Real-time Transport Protocol (SRTP) Extension for Datagram Transport Layer Security (DTLS)

Measurement of Round-Trip Time and Fractional Loss Using Session Traversal Utilities for NAT (STUN)

Date and Time on the Internet: Timestamps