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General| Resolution | 480 x 272 pixels |
|---|---|
| USB Port | Yes, 1 x USB 2.0 port |
| SIP Accounts | 16 |
| HD Audio | Yes |
| Wall Mountable | Yes |
| Display | 4.3-inch color display |
| Audio Codec | G.722, G.711 (A/μ), G.729, G.726, iLBC, Opus |
| Network Interface | Dual 10/100/1000 Mbps Ethernet ports |
| Power Supply | PoE (IEEE 802.3af) or AC adapter |
| Wireless Connectivity | No |
| Bluetooth | Yes |
| Headset Connection | 3.5mm headset jack |
| Programmable Keys | Yes |
| Expansion Module Support | Yes |
| Supported Protocols | SIP |
Instructions for attaching the phone stand for desk placement.
Steps for connecting the handset and optional headset to the IP phone.
Options for connecting the IP phone to network and power supply.
Steps to connect the IP phone to a wireless network.
Guide to configure phone settings via the web browser interface.
Guide to configure phone settings using the device's interface.
How to initiate, receive, and end calls using different phone modes.
Features like redialing, muting, holding, and resuming calls.
Procedures for transferring calls and setting up conference calls.
How to set up and use speed dial keys for quick dialing.
Accessing voice messages and managing call history records.
Adding, editing, and deleting contacts in the phone's directory.
Adjusting device volume and selecting custom ring tones.
Information on data protection and open-source software licenses.
Details on operating temperatures, humidity, and product warranty.
Safety precautions, environmental compliance, and handling instructions.
Common issues, FCC, ISED, and EU regulatory compliance.
Information on accessing Yealink's online support resources and ticketing system.
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