IM (Instant Messaging)
IM (Instant Messaging) is a method of communication, generally using text, in which more than a character at a time is sent between parties nearly instantaneously.
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, Detailed Functional and Interface Standards for the NENA i3 Solution