Overview: The Yealink T31G supports VDM (Virtual Device Management), and here are some features on what can be changed directly in the cloud without needing to be onsite with the device.
Powered by PoE (with spare 1 Gbps Ethernet port for PC or other device), or powered by 5V adapter; 1.5m Ethernet cable included, PSU can be ordered.
1x RJ9 standard handset port, and 1 spare RJ9 port for headset.
2.3” 132x64-pixel graphical LCD with back-light
Desk stand, or wall-mountable
Conference calling; Conference (or single) speakerphone
Quick Start guidehttps://support.yealink.com/en/portal/docDetail?documentCode=88745bf59c5dd275
User guide: https://support.yealink.com/en/portal/knowledge/show?id=64819af96a27da76bd06cd33
The following features can be edited in the cloud (VDM):
| Button | Function | Notes |
|---|---|---|
| Right-hand key: Line 1 (LED) | Use line 1 / BLF | Default: Line 1. |
| Right-hand key: Line 2 (LED) | Use line 2 / BLF | Can be: Line, Speed dial, or BLF (Busy Lamp Field), or None. Default: None. Shared Call Appearance: Make calls (or receive) as another user. |
| Lower function key 1 | History | Call history, click to dial |
| Lower function key 2 | Phonebook | |
| Lower function key 3 | DND | Toggle status Do-Not-Disturb on/off |
| Lower function key 4 | Menu | Access menu and additional "soft keys" (on-screen keys) |
| Menu: Soft-keys 5 to 10 | Speed dial or Function | Can be: Speed dial, or Function (series of actions or key stokes), or None. Default: None. Functions: Block line ID, Conference Bridge, Night Key, Park, Pickup, Pull, Retrieve, Transfer to Voice mail, voicemail, Custom Function |
| Menu: General settings | Additional settings | Enable/disable: BLF, ACD (Auto Call Distribution), MCN (Missed Call Notification) |
The following additional buttons are for use only on the handset:
| Button | Function | Notes |
|---|---|---|
 | Volume +/- | |
 | Mute on/off | |
 | Voicemail messages | |
 | Transfer | |
 | Headset | Use headset, or handset |
 | Redial | |
 | Loud speaker/Conference speaker | |
| 0-9 Keypad | Dial | # key: manually Send (connect call) |
| OK, up/down, left/right | Navigation | Navigate menu |
| Menu: Conf | Conference call | Add another call, or caller who is waiting (tap "Send", the # key); select Split to remove caller. |
Example screen-shot of cloud configuration options:
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