ROH (Receiver Off-Hook)

ROH (Receiver Off-Hook) is a call state in which the recipient’s hand set is not in the cradle.

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