I'm trying to implement QoS on system and my ISP has instructed me to enable Diffserv and apply a DSCP marking of 46 to VoIP traffic. When I look in eManager, I see a number of different places to set these values, so I'm a little confused as to what each is value is used for. From what I've found, my options are:

Program 150 System IP Data
03 Diffserv (enable/disable)
06 DSCP (value 0-63)
20 SIP Trunk Diffserv (enable/disable)
23 SIP Trunk DSCP (value 0-63)

Program 327 SIP Trunk Service Kind Assignment
23 Diffserv for Media (enable/disable)
26 DSCP for Media (value 0-63)
27 Diffserv for Signaling (enable/disable)
30 DSCP for Signaling (value 0-63)

Any suggestions or best practices?

Processor - CIX 1200 AR5.20 MT061.00


Nick