Table 1 in the Media Server Deployment Guide

Horizontal version

Table 1: DNs Supported by GVP and Media Server

DN Type	Solution applies to:	Protocol	Usage	Can be recorded by SIP Server?	Generates TEvents?	Allows ICON reporting?	GQM support
VoIP Service	SIP Server, GQM, HPE	SIP/MSML	Media services including music-on-hold, conferencing, call parking (treatments), call recording	No	No	No	No
Voice Treatment Port (VTP)	GVP	SIP	Legacy IVR ports for both inbound and outbound IVR calls	Yes	Yes	Yes	No – due in GQM 8.1.50
Trunk Group DN	GVP, OCS, HPE	SIP/MSML	CPD for outbound solution: ASM mode, transfer mode, and proactive notification Outbound GVP IVR calls (SSG) HPE also uses this DN type for inbound GVP IVR calls	Yes	Yes	Yes	No – due in GQM 8.1.50
Trunk DN	GVP	SIP	Inbound GVP IVR calls	No	No	No	No