| NO. | Item | Description |
|---|---|---|
| 1 | Power LED Indicator | Indicate call, message, and phone system status. |
| 2 | Phone Screen | Shows a screen with a backlight that enables you to view menus and data. |
| 3 | Line Keys | Accesses your phone lines and features. |
| 4 | MUTE Key | • Toggles the microphone on or off. The LED indicator glows green when the mute feature is activated. • The T40P/T40G phones do not have key light. |
| 4 | HEADSET Key | • Toggles the headset on or off. The LED indicator glows green when the headset is activated. • The T40P/T40G phones do not have key light. |
| 5 | MESSAGE Key | Access your voice messages. |
| 5 | HOLD Key | Places a call on hold or resumes a held call. Only the T46S/T46G phones have a HOLD key. |
| 6 | REDIAL Key | Redials a previously dialed number. |
| 6 | TRANSFER Key | Transfers a call. Only the T46S/T46G phones have a TRANSFER key. |
| 7 | Speakerphone Key | Toggle and indicates the hands-free (speakerphone) mode. The key LED glows green when the hands-free (speakerphone) mode is activated. |
| 8 | Keypad keys | Allow you to enter numbers, letters, and special characters. If a menu item has an index number, you can use the keypad keys to select the item. |
| 9 | Navigation Keys | • Scroll through information or options displayed on the screen. • Access History and Directory respectively. |
| 10 | Soft Keys | Confirms actions or answers incoming calls. |
| 11 | Speaker | Provide ringer and speakerphone audio output. |
| 12 | Reversible Tab | Secure the handset in the handset cradle when the phone is mounted vertically. For more information on how to adjust the reversible tab, refer to Yealink Wall Mount Quick Installation Guide for Yealink IP Phones. |
| 13 | Hookswitch | • Pick up the handset from the handset cradle, the hookswitch bounces, and the phone connects to the line. • Lay the handset down on the handset cradle, the phone disconnects from the line. |