1. Introducció
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Yealink SIP-T85W Wi-Fi IP Phone. The SIP-T85W is designed for professional communication, featuring a 5.5-inch color LCD display, support for up to 16 SIP accounts, Bluetooth 5.0, and dual-band Wi-Fi 6 connectivity. It incorporates Yealink's AI noise cancellation technology for clear audio and TEE hardware encryption for secure data.
2. Contingut del paquet
Verify that all items listed below are present in your package. If any item is missing or damaged, contact your vendor.
- Yealink SIP-T85W IP Phone Unit
- Phone Handset with Phone Cord
- Phone Back Stand
- Cable de xarxa (Ethernet)
3. Descripció física
The Yealink SIP-T85W features a sleek design with an adjustable color LCD display and an intuitive keypad for efficient operation.

Figura 3.1: Davant view of the Yealink SIP-T85W IP Phone, showcasing the 5.5-inch color LCD display, programmable keys, and numeric keypad.

Figura 3.2: En angle view of the Yealink SIP-T85W IP Phone, illustrating the handset, coiled cord, and the adjustable phone stand.
Components clau:
- Pantalla LCD en color de 5.5 polzades: Ajustable per a una òptima viewcomoditat.
- Auricular: Equipped with a hall switch to minimize ambient noise.
- Teclat numèric: Tecles estàndard del 0 al 9 per marcar.
- Tecles de funció: Dedicated keys for common functions like message, headset, mute, redial, speakerphone, and volume control.
- Programmable Line Keys: Up to 16 SIP accounts can be configured.
- Dual-Port Gigabit Ethernet: For network connectivity and PC pass-through.
- Port USB: Supports USB headsets and EHS (Electronic Hook Switch).
4. Instruccions de configuració
4.1 Assembling the Phone
- Col·loca el suport: Insert the phone stand into the corresponding slots on the back of the phone unit until it clicks into place.
- Connecteu el telèfon: Plug one end of the coiled phone cord into the handset port on the phone unit and the other end into the handset.
- Connect the Network Cable: Connecteu un extrem del cable Ethernet a INTERNET port on the back of the phone and the other end into a network switch or router.
- Connexió a l'ordinador (opcional): If you wish to connect a PC through the phone, plug an Ethernet cable from your PC into the PC port a la part posterior del telèfon.
4.2 Engegar el telèfon
The Yealink SIP-T85W supports Power over Ethernet (PoE). A power adapter is not included.
- PoE (Recommended): If your network switch or router supports PoE, the phone will power on automatically once the network cable is connected to the INTERNET port.
- Alimentació de CA (opcional): If PoE is not available, you will need to purchase a compatible Yealink power adapter separately. Connect the power adapter to the DC 5V port on the phone and then to a power outlet.
4.3 Initial Configuration (SIP Accounts & Wi-Fi)
Upon first boot, the phone may prompt you for initial setup. Consult your VoIP service provider or network administrator for SIP account details.
- SIP Account Setup: Navega a Menu > Features > Accounts on the phone's display. Enter the required SIP server address, username, and password provided by your service provider. The phone supports up to 16 SIP accounts.
- Configuració Wi-Fi: Navega a Menú > Bàsic > Wi-Fi. Enable Wi-Fi, scan for available networks, select your desired network, and enter the password. The phone supports dual-band Wi-Fi 6 (2.4G/5G).
5. Instruccions de funcionament
5.1 Funcions de trucada bàsiques
- Fer una trucada:
- Pick up the handset, press the Speakerphone key, or press a line key.
- Introduïu el número de telèfon amb el teclat numèric.
- Premeu el botó Enviar soft key or wait for a few seconds for the call to connect automatically.
- Respondre una trucada: When the phone rings, pick up the handset, press the Speakerphone key, or press the Respon tecla suau.
- Finalització d'una trucada: Hang up the handset, press the Speakerphone key again, or press the Finalitzar la trucada tecla suau.
- Silencia/Activa el silenci: Durant una trucada, premeu el botó Silenciar key to mute your microphone. Press it again to unmute.
- Ajust de volum: Utilitza el Volum keys to adjust the handset, speakerphone, or ringer volume.
5.2 Navegació de la pantalla
The 5.5-inch color LCD display provides access to various features and settings. Use the navigation keys (up, down, left, right, OK) to browse menus and select options. Soft keys below the display change functionality based on the current context.
5.3 Bluetooth and Headset Connectivity
- Bluetooth 5.0: Navega a Menu > Basic > Bluetooth to enable Bluetooth, scan for devices, and pair your Bluetooth headset or mobile phone.
- USB Headset: Connect a compatible USB headset to the USB port on the phone. The phone will automatically detect the headset.
- EHS Headset: For EHS (Electronic Hook Switch) functionality with compatible headsets, connect the EHS adapter to the designated port (if available) and configure it via the phone's menu.
6. Manteniment
- Neteja: Use a soft, dry cloth to clean the phone's surface and display. Avoid using liquid cleaners or abrasive materials.
- Medi ambient: Keep the phone in a dry environment, away from direct sunlight, heat sources, and excessive dust.
- Actualitzacions de firmware: Periodically check for firmware updates from Yealink to ensure optimal performance and security. Updates are typically managed by your system administrator.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El telèfon no s'encén. | No PoE or power adapter not connected/faulty. | Ensure the Ethernet cable is connected to a PoE-enabled port, or connect a compatible power adapter. |
| Sense to de marcatge. | Network issue or SIP account not registered. | Check network cable connection. Verify SIP account registration status on the display. Contact your administrator if necessary. |
| No es pot connectar a la Wi-Fi. | Incorrect password or out of range. | Double-check Wi-Fi password. Ensure the phone is within range of the Wi-Fi access point. Try restarting the phone. |
| Mala qualitat de trucada (eco, estàtica). | Network congestion or microphone/speaker issues. | Check network bandwidth. Ensure handset/speaker is clean. Yealink's AI noise cancellation should mitigate most issues; if persistent, contact support. |
8. Especificacions
| Característica | Detall |
|---|---|
| Model | SIP-T85W |
| Mostra | 5.5-inch Color LCD, Adjustable |
| Comptes SIP | Fins a 16 |
| Connectivitat | Dual-Port Gigabit Ethernet, Dual-band Wi-Fi 6 (2.4G/5G), Bluetooth 5.0 |
| Sistema operatiu | Linux 6.1 |
| Seguretat | TEE Hardware Encryption |
| Funcions d'àudio | Yealink AI Noise Cancellation, Ultra-HD Sound, Broadband Codecs |
| Suport per a auriculars | USB Headset, EHS Support |
| Poder | PoE (Power Adapter Not Included) |
| Dimensions (L x A x A) | 10 x 9 x 1.5 polzades |
| Pes de l'article | 6 lliures |
| Material | Plàstic |
| Color | Negre |
9. Garantia i Suport
Yealink products are covered by a limited warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official Yealink weblloc.
For technical support, troubleshooting assistance, or to report issues, please contact your authorized Yealink reseller or visit the Yealink support portal. Ensure you have your product model (SIP-T85W) and serial number available when seeking support.





