AudioCodes 400HD Series - Troubleshooting AudioCodes Devices

CHAPTER7 Troubleshooting
C448HD C450HD | Users & Administrator's Manual
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).
Figure 7-1: DS Field, DSCP
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 7-2: Recommended Values
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