This Recommendation defines three packages: dmi, xdmi and edmi, that extend the dd, xdd and edd packages, respectively. The new packages support a mechanism to provide information to the MGC regarding the dialling method (DTMF or decadic pulses) associated with the detected digit or digitmap.
ITU-T H.248.70-2009 Referenced Document
ITU-T H.248.1-2005 Gateway Control Protocol: Version 3 Study Group 16 Audiovisual Services Systems and Multimedia System Infrastructure - Communications Procedures Study Group 16
ITU-T H.248.16-2002 Gateway control protocol: Enhanced digit collection packages and procedures SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services ?Communication procedures Study Group 16*, 2024-04-19 Update
ITU-T H.248.70-2009 history
2009ITU-T H.248.70-2009 Gateway control protocol: Dialling method information packages Study Group 16