{"draft":"draft-ietf-avt-rfc2833bisdata-08","doc_id":"RFC4734","title":"Definition of Events for Modem, Fax, and Text Telephony Signals","authors":["H. Schulzrinne","T. Taylor"],"format":["ASCII","HTML"],"page_count":"47","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Audio\/Video Transport","abstract":"This memo updates RFC 4733 to add event codes for modem, fax, and\r\ntext telephony signals when carried in the telephony event RTP\r\npayload.  It supersedes the assignment of event codes for this\r\npurpose in RFC 2833, and therefore obsoletes that part of RFC 2833.  [STANDARDS-TRACK]","pub_date":"December 2006","keywords":["[--------|p]","real-time","application","protocol","DTMF","dual-tone","multifrequency"],"obsoletes":["RFC2833"],"obsoleted_by":[],"updates":["RFC4733"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4734","errata_url":null}