Yealink SIP-T21 E2 Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
120
Parameters
Permitted Values
Default
static.network.qos.audiotos
Integer from 0 to 63
46
Description:
Configures the DSCP (Differentiated Services Code Point) for voice packets.
The default DSCP value for RTP packets is 46 (Expedited Forwarding).
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Network->Advanced->Voice QoS (0~63)
Phone User Interface:
None
static.network.qos.signaltos
Integer from 0 to 63
26
Description:
Configures the DSCP (Differentiated Services Code Point) for SIP packets.
The default DSCP value for SIP packets is 26 (Assured Forwarding).
Note: If you change this parameter, the IP phone will reboot to make the change take
effect.
Web User Interface:
Network->Advanced->SIP QoS (0~63)
Phone User Interface:
None
To configure DSCPs for voice packets and SIP packets via web user interface:
1. Click on Network->Advanced.
2. Enter the desired value in the Voice QoS (0~63) field.

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English