IETF (Internet Engineering Task Force) is the lead standard-setting authority for Internet protocols.
IESG (Internet Engineering Steering Group)
A body composed of the Internet Engineering Task Force Chair and Area Directors responsible for final approval of specifications designated as Internet standards.
Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.
NENA 08-504, VoIP Standards Development Organizations – NENA Technical Information Document (TID)