Aastra Telecom C53I User Guide

Page of 602
Operational, Basic, and Advanced Parameters
41-001160-00, Rev 01  Release 2.0
A-27
Configuration Parameters
Appendix A
Type of Service (ToS)/DSCP Settings
Parameter – 
tos sip
IP phone UI
Options->Network Settings->
Type of Service->SIP
Aastra Web UI
Advanced Settings->Network->
Type of Service,DSCP
Configuration Files
aastra.cfg, <mac>.cfg
Description
The Differentiated Services Code Point (DSCP) for SIP packets.
Format
Integer
Default Value
24
Range
0 to 63
Example
tos sip: 3
Parameter – 
tos rtp
IP phone UI
Options->Network Settings->Type of 
Service->RTP
Aastra Web UI
Advanced Settings->Network->
Type of Service,DSCP
Configuration Files
aastra.cfg, <mac>.cfg
Description
The Differentiated Services Code Point (DSCP) for RTP packets.
Format
Integer
Default Value
32
Range
0 to 63
Example
tos rtp: 2
Parameter – 
tos rtcp
IP phone UI
Options->Network Settings->Type of 
Service->RTCP
Aastra Web UI
Advanced Settings->Network->
Type of Service,DSCP
Configuration Files
aastra.cfg, <mac>.cfg
Description
The Differentiated Services Code Point (DSCP) for RTCP packets.
Format
Integer
Default Value
32
Range
0 to 63
Example
tos rtcp: 3