Voice Qos - Yealink SIP T46G Administrator's Manual

Voice QoS

For VoIP transmissions to be intelligible to the receiver, voice packets should not be
dropped, excessively delayed, or suffer varying delay. DiffServ model can guarantee
high-quality voice transmission when the voice packets are configured higher DSCP
value.
SIP QoS
SIP protocol is used for creating, modifying and terminating two-party or multi-party
sessions. To ensure good voice quality, the SIP packets emanating from IP phones
should be configured with a high transmission priority.
You can specify DSCPs for voice packets and SIP packets respectively.
Note
The DSCP value of voice traffic in the received LLDP packet will override the manual
configuration.
Procedure
DSCPs for voice packets and SIP packets can be configured using the configuration files
or locally.
Configuration File
Local
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.
<y000000000028>.cfg
Web User Interface
Configuring Advanced Features
Configure the DSCPs for voice
packets and SIP packets.
For more information, refer to
QoS on page 321.
Configure the DSCPs for voice
packets and SIP packets.
Navigate to:
http://<phoneIPAddress>/servl
et?p=network-adv&q=load
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