The Yealink T46G is a high-end color screen IP phone designed for business environments, featuring a 4.3-inch color LCD, 12 programmable line keys, PoE support, Gigabit Ethernet, HD audio, built-in Bluetooth, dual-port Gigabit switch, support for up to 16 SIP accounts, and compatibility with major IP-PBX platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Color LCD screen, Handset, Base, Ethernet cable, Power adapter, Quick start guide.
| Feature | Description |
|---|---|
| Display | 4.3-inch color TFT LCD with 480x272 resolution |
| Line Keys | 12 programmable line/speed-dial keys with dual-color LEDs |
| Network | Dual Gigabit Ethernet ports with integrated PoE (802.3af) |
| Audio | HD handset and speakerphone with wideband audio support |
| Bluetooth | Built-in Bluetooth for wireless headset connectivity |
| Expansion | Support for Yealink expansion modules (EXP modules) |
| Codecs | G.722, G.729, G.711, iLBC, Opus |
| Protocols | SIP, TLS, SRTP, IPv6 |
| Power | PoE (802.3af) or external 12V DC power adapter |
| Headset | Integrated headset port (optional EHS cable support) |
Unpack and inspect contents. Place on stable surface.
WARNING! Use only Yealink-approved power adapter. Ensure proper ventilation around device.
Power on phone; follow on-screen prompts.
CAUTION! Handle handset with care; avoid dropping or exposing to liquids.
Access settings via Menu button or web interface (http://phone-ip). Front Panel: LCD screen, navigation keys, soft keys, volume keys, mute, headset, speakerphone.
Key Functions: Hold, Transfer, Conference, Redial, Message, Directory, Mute, Volume up/down.
Basic Settings: Language, time format, date format, screen saver, ringtone selection. Account Settings: SIP server, display name, username, password, outbound proxy. Audio Settings: Handset volume, speaker volume, ringtone volume, codec priority. Network Settings: DHCP/static IP, VLAN, QoS, DNS.
Network: LAN port to network; PC port to computer. Audio: Headset to headset jack; Bluetooth headset pairing.
Tip: Use quality Ethernet cables for optimal Gigabit performance.
Supports advanced PBX features and customization.
WARNING! Configure advanced features through administrator interface only.
High Contrast Display: Enable in display settings for better visibility. Audio Adjustments: Independent volume controls for handset, speaker, ringer. Large Font: Option to increase font size on display. TTY Support: Compatible with teletype devices when configured.
Unplug power before cleaning. Use slightly damp cloth for screen; dry cloth for body. Do not use abrasive cleaners or solvents.
CAUTION! Avoid liquid contact with ports and openings. Keep away from extreme temperatures.
FCC Part 15: Class B digital device; complies with interference limits for residential use. CE, RCM, UKCA marked. Contains FCC ID: 2ADUI-T46G. For EU: Complies with RED 2014/53/EU. Copyright © Yealink Inc. All rights reserved. For support, visit www.yealink.com or contact your authorized reseller.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power source/cable | Check PoE switch or power adapter; ensure cable is securely connected. |
| No network connectivity | Cable/DHCP | Check Ethernet cable; verify DHCP server is available; try static IP. |
| No audio | Volume settings/codec | Check volume levels; verify audio codec matches server configuration. |
| Cannot register to server | Account credentials | Verify SIP username, password, and server address; check network firewall. |
| Bluetooth not pairing | Distance/compatibility | Ensure headset is in pairing mode; keep within 3 feet; check compatibility. |
| Screen is blank | Power/settings | Check power; adjust screen brightness via Menu > Settings > Display. |
Reset: Press and hold OK key during boot for factory reset (erases all settings).
Firmware Upgrade: Via web interface or auto-provisioning server.
Service: Contact Yealink support or authorized service center.