The Yealink SIP-T46G is a high-end IP phone designed for enterprise environments, featuring a 7-inch color touch screen, HD voice, Gigabit Ethernet, dual-port PoE, support for up to 16 SIP accounts, integrated Bluetooth, Wi-Fi capability (with optional module), and compatibility with major IP-PBX platforms. Below are key sections for safety, features, installation, configuration, operation, and troubleshooting.
Key components: 7-inch color touch screen, Handset, Base unit, Ethernet ports, Power adapter, Handset cord, Network cable.
| Feature | Description |
|---|---|
| 7-inch Color Touch Screen | High-resolution capacitive touch screen for intuitive navigation |
| HD Voice | Wideband audio for crystal-clear call quality |
| Gigabit Ethernet Ports | Dual 10/100/1000 Mbps ports with integrated PoE (802.3af) |
| SIP Account Support | Up to 16 SIP accounts for multiple lines |
| Bluetooth | Built-in Bluetooth for wireless headset connectivity |
| Optional Wi-Fi | Support for Wi-Fi via USB adapter (sold separately) |
| Expansion Module Support | Connect up to 3 optional expansion modules (T4X) |
| Headset Port | 3.5mm headset jack for wired headsets |
| USB Port | For Wi-Fi adapter, firmware updates, or phonebook import |
| Conference Capability | Support for multi-party conference calls |
Unpack and inspect contents. Place on stable surface.
WARNING! Use only the provided power adapter. Ensure proper ventilation around the device.
Power on the phone; follow on-screen prompts.
CAUTION! Handle the touch screen with care; use a soft, dry cloth for cleaning.
Access settings via touch screen or physical buttons. Front Panel: Mute, Headset, Speakerphone, Navigation keys, Volume keys.
Touch Screen Interface: Home screen with line keys, call history, contacts, and settings shortcut.
Phone Settings: Language, Time & Date, Ringtone, Screen Saver, Audio Settings (volume, tone). Network Settings: WAN, LAN, Wi-Fi (if equipped). Account Settings: SIP server, username, password, display name. Advanced: BLF (Busy Lamp Field), Call Forward, DND (Do Not Disturb), Call Recording.
Network: LAN port to switch, PC port to computer. Peripherals: Headset to 3.5mm jack, Expansion modules to EXP port, USB Wi-Fi adapter to USB port.
Tip: Use Cat5e or higher Ethernet cables for Gigabit performance.
Supports advanced enterprise telephony features.
WARNING! Do not interrupt firmware upgrades; this may render the phone inoperable.
High-Contrast Mode: Adjust display contrast in Settings > Display. Audio Adjustments: Independent volume controls for handset, speaker, headset, and ringer. Large Font Option: Increase text size in the display settings.
Unplug power before cleaning. Use a soft, slightly damp cloth for the body. For the screen, use a dry microfiber cloth. Do not use abrasive cleaners, solvents, or sprays.
CAUTION! Never spray liquid directly onto the phone. Keep liquids away from all openings.
FCC Part 15: Class A digital device; complies with limits for business environments. CE Mark: Conforms to European safety, health, and environmental requirements. RoHS Compliant: Meets Restriction of Hazardous Substances directive. For support, visit www.yealink.com or contact your authorized Yealink distributor. Copyright © Yealink Inc. All rights reserved.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power/display | Power source/connection | Check power adapter connection; try a different outlet; verify PoE switch is providing power. |
| No network connectivity | Cable/DHCP | Check Ethernet cable; ensure LAN port LED is lit; restart router/switch; check DHCP server. |
| No dial tone/cannot make calls | SIP account configuration | Verify SIP account settings (server, username, password); check network firewall settings. |
| Poor audio quality | Network/Codec | Check network for packet loss/jitter; try a different audio codec (e.g., G.711); adjust volume settings. |
| Touch screen unresponsive | Calibration/Software | Restart the phone; perform a touch screen calibration via Settings > Display. |
| Phone not registering | Server address/credentials | Confirm SIP server address and port; re-enter username and password; contact your service provider. |
Factory Reset: Press and hold the OK key for 10 seconds while powering on, or via web interface > Settings > Upgrade & Maintenance > Reset.
Service: Contact your service provider or visit www.yealink.com/support.