Troubleshooting; Dscp - AudioCodes 400HD Series User's And Administrator's Manual

CHAPTER 7 Troubleshooting
7

Troubleshooting

The information presented here shows how to troubleshoot AudioCodes devices.

DSCP

The phone's Teams application supports DS (Differentiated Services) containing a differentiated
Services Code Point (DSCP) value and an ECN (Explicit Congestion Notification) value, for
monitoring Quality of Service (QoS).
DSCP is part of the IP header that defines the type of routing service to tag outgoing voice
packets originated from the phone. It informs routers that this packet must receive a specific
QoS. Values can be set in decimal (e.g., 184) or hexadecimal (e.g., 0xb8). The default value is
0xb8 (184).
The DSCP value for audio is 0x46.
See also Microsoft's website for more information.
The DSCP value can be adjusted on the server; it cannot be adjusted on the client.
See the figures below for recommended values.
Figure 7-1: DS Field, DSCP
Figure 7-2: Recommended Values
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