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General| Type | IP Phone |
|---|---|
| Number of Lines | 8 |
| Handsfree | Yes |
| Headset port | Yes |
| Wall mountable | Yes |
| Display | LCD |
| Ethernet Ports | 2 |
| Audio Codec Support | G.711, G.722, G.729 |
| Power over Ethernet | Yes |
| Power | External Power Adapter |
| Protocols | SIP |
| Weight | 1.5 lbs |
Description of physical buttons on the M3820 phone and their functions.
Describes the meaning of phone line status indicator lights.
Information about and reprogramming personal feature keys.
Steps to initiate a phone call using the handset or line keys.
How to pick up an incoming call.
Using and storing speed dial numbers.
Placing and retrieving calls on hold.
Transferring active calls to another party.
Setting up and managing conference calls.
Programming and managing call forwarding.
Forwarding calls from a remote location.
Activating and deactivating Do Not Disturb.
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