Enhanced Alerting Packages for Megaco/H.248
Nortel Networks
This document provides proposed definitions for several supplemental packages for Megaco/H.248 [2][3]. These packages define alternative signalling for ringing, add the capability for distinctive call waiting tones, and address support of functionality for enhanced telephony services, such as CLASS signaling services [4] and ETSI defined display services [5] [6] [7].