From NENA Knowledge Base

H.264/MPEG-4 is an ITU-T Recommendation and Motion Picture Expert Group standard for a video codec.

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-STA-010, NENA i3 Standard for Next Generation 9-1-1