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Command Reference Guide
rtp qos dscp <value>
Use the rtp qos dscp command to configure the Realtime Transport Protocol (RTP) differentiated services
code point (DSCP) value. Use the no form of this command to return to the default global value.
Syntax Description
<value>
Default Values
By setting the rtp qos dscp value on an individual trunk or user, you will override the global rtp qos dscp
setting for RTP packets. The default global DSCP value for RTP is 46.
Command History
Release 9.3
Release A1
Functional Notes
By setting the rtp qos dscp value on an individual trunk or user, you will override the global rtp qos dscp
setting for RTP packets. QoS is set using a DSCP value. Valid DSCP values are 0 to 63, and a higher
DSCP value has a higher priority. The default global DSCP value for RTP is 46. Remember that if you are
using a public IP connection, such as the Internet, for Voice over Internet Protocol (VoIP), end-to-end QoS
may not be guaranteed. The default DSCP value for Session Initiation Protocol (SIP) is 26. To configure
QoS for the RTP traffic that carries the voice conversation, use the command ip rtp qos dscp followed by
the desired DSCP value.
Usage Examples
The following example sets the RTP quality of service (QoS) DSCP value to 14:
(config)#voice loopback 5555
(config-LB-5555)#rtp qos dscp 14
60000CRG0-35E
Configures the RTP value for DSCP. The DSCP values are 0 to 63.
Command was introduced.
Command was included in the Voice Loopback Account Configuration
command set.
Copyright © 2012 ADTRAN, Inc.
Voice Loopback Account Command Set
3694
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