Voice Quality Monitoring (Vqm) - Yealink CP969 Administrator's Manual

Administrator's Guide for SIP-T5 Series Smart Media Phones
Enables or disables the IP phone to play a local DTMF tone.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), you can hear the DTMF tone when pressing the IP phone's keypad
during a call.
Web User Interface:
Features->General Information->Play Local DTMF Tone
Phone User Interface:
None
To configure play local DTMF tone via web user interface:
Click on Features->General Information.
1.
Select the desired value from the pull-down list of Play Local DTMF Tone.
2.
Click Confirm to accept the change.
3.

Voice Quality Monitoring (VQM)

Voice quality monitoring feature allows the IP phones to generate various quality metrics for
listening quality and conversational quality. These metrics can be sent between the phones in
RTCP-XR packets. These metrics can also be sent in SIP PUBLISH messages to a central voice
quality report collector. Two mechanisms for voice quality monitoring are supported by Yealink
IP phones:
RTCP-XR

VQ-RTCPXR

664
Parameter Permitted Values Default