%% You should probably cite rfc2833 instead of this I-D. @techreport{ietf-avt-tones-06, number = {draft-ietf-avt-tones-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-avt-tones/06/}, author = {Dr. Scott Petrack and Henning Schulzrinne}, title = {{RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals}}, pagetotal = 30, year = 2000, month = jan, day = 19, abstract = {This memo describes how to carry dual-tone multifrequency (DTMF) signaling, other tone signals and telephony events in RTP packets. {[}STANDARDS-TRACK{]}}, }