Yealink SIP-T2 SERIES Administrator's Manual page 930

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
2. Select the desired value from the pull-down list of WatchDog.
3. Click Confirm to accept the change.
Status indicators may consist of the power LED, MESSAGE key LED, line key indicator,
headset key indicator and the on-screen icon.
The following shows two examples of obtaining the IP phone information from status
indicators on SIP-T23G IP phones:
If a LINK failure of the IP phone is detected, a prompting message ―Network

unavailable‖ and the icon
If a voice mail is received, the MESSAGE key LED illuminates.

For more information on the icons, refer to
Talk statistics may consist of the video and audio data during an active call.
You can view the talk statistics during an active call via web phone user interface.
Information includes:
Video: Resolution, Codec, Bandwidth (Uplink Bandwidth and Downlink Bandwidth),

Frame Rate, Jitter, Total Packet Lost, Packet Lost Rate
Audio: Codec, Bandwidth (Uplink Bandwidth and Downlink Bandwidth), Sample

Rate, Jitter, Total Packet Lost, Packet Lost Rate
908
will appear on the LCD screen.
Reading Icons on page 37.