This Recommendation defines two packages that provide enhanced digit collection capabilities for [ITU-T H.248.1]. The support of these packages is optional.
ITU-T H.248.16-2013 history
2013ITU-T H.248.16-2013 Gateway control protocol: Enhanced digit collection packages and procedures (Study Group 16)
2004ITU-T H.248.16 CORR 1-2004 Gateway control protocol: Enhanced digit collection packages and procedures Corrigendum 1 SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services ?Communication procedures Study Group 16