Yealink SIP T46U User Manual

The Yealink SIP T46U is a high-performance IP phone designed for business environments, featuring a large color touchscreen, HD audio quality, Gigabit Ethernet ports, support for up to 16 SIP accounts, built-in Bluetooth and Wi-Fi capabilities, and compatibility with major IP-PBX platforms. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Advanced Features 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Large 4.3-inch color touchscreen, Handset with HD voice, Ethernet ports (LAN and PC), Headset jack, Bluetooth/Wi-Fi module, Expansion module port.

FeatureDescription
Touchscreen Display4.3-inch TFT color LCD with capacitive touch
HD VoiceWideband audio support for crystal-clear calls
Gigabit EthernetDual 10/100/1000 Mbps ports for network and PC
BluetoothBuilt-in for wireless headset connectivity
Wi-Fi802.11a/b/g/n dual-band support (optional module)
SIP AccountsSupport for up to 16 SIP lines
Expansion ModulePort for connecting up to two EXP40 expansion modules
PoE SupportIEEE 802.3af Power over Ethernet (Class 2)
Codec SupportG.722, G.711, G.729, G.726, iLBC, Opus
Conference CallsSupport for up to 3-party audio conference

Installation

Unpack and inspect contents. Place on stable surface.

  1. Connect to Network: Use Ethernet cable to connect LAN port to switch/router.
  2. Power the Phone: Use included power adapter or PoE from switch.
  3. Connect Handset: Plug handset cable into dedicated port.
  4. Connect Headset: Optional headset to headset jack.
  5. Connect PC: Use second Ethernet port to connect computer.

WARNING! Use only approved power adapter. Ensure proper ventilation around device.

First-Time Setup

Power on phone; follow on-screen prompts.

  1. Network Configuration: Phone will attempt DHCP; configure static IP if needed via touchscreen.
  2. SIP Server Setup: Enter SIP server address, username, password provided by service provider.
  3. Language Selection: Choose preferred language (default ENGLISH).
  4. Time/Date Setup: Configure time zone and NTP server for automatic time sync.
  5. Test Call: Make test call to verify configuration.

CAUTION! Keep phone away from liquids and extreme temperatures.

Specifications

Controls and Settings

Access menu via touchscreen or physical buttons. Front Panel: MUTE, HEADSET, SPEAKERPHONE, NAVIGATION keys, VOLUME controls.

Touchscreen Interface: Home screen with line keys, contacts, call history, settings access.

Basic Settings: Network configuration, SIP accounts, audio settings, display brightness. Advanced Settings: Call features (forward, transfer, conference), security settings, Bluetooth pairing, expansion module configuration. System: Firmware upgrade, factory reset, system status.

Connecting Devices

Network: LAN port to switch/router. PC: PC port to computer. Headset: 3.5mm jack or Bluetooth. Expansion: EXP40 module to expansion port.

  1. Turn off phone before connecting additional devices.
  2. Match cables to correct ports (Ethernet to LAN/PC ports).
  3. For Bluetooth: Enable in settings, put headset in pairing mode.

Tip: Use quality CAT5e or CAT6 cables for Gigabit Ethernet connections.

Advanced Features

Supports advanced business telephony features.

  1. Call Transfer: Blind or attended transfer during active call.
  2. Conference Calls: Create 3-party conference from active call.
  3. Call Forward: Forward calls based on rules (always, busy, no answer).
  4. Call Recording: Record calls locally or to server (if supported by PBX).
  5. BLF (Busy Lamp Field): Monitor status of other extensions.
  6. XML Browser: Support for custom XML applications.
  7. LDAP Directory: Integrate with corporate directory.
  8. VPN Support: Establish secure connections to corporate network.

WARNING! Some features require PBX/server support. Consult system administrator.

Accessibility Features

Visual Alerts: LED indicators for line status. Audio Adjustments: Separate volume controls for handset, speaker, ringer. High Contrast Display: Option for improved visibility. TTY Support: Teletypewriter compatibility.

Care & Cleaning

Unplug before cleaning. Use slightly damp cloth for touchscreen; dry cloth for body. Do not use abrasive cleaners or solvents.

CAUTION! Avoid liquid contact with ports and openings. Do not disassemble device.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for business environments. CE marked for European compliance. RoHS compliant. Copyright © Yealink Network Technology Co., Ltd. For support, visit www.yealink.com or contact your authorized reseller.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower source/cableCheck power adapter connection; try different outlet; verify PoE switch.
No network connectionCable/DHCPCheck Ethernet cable; verify switch port; check DHCP server.
No dial toneSIP configurationVerify SIP account settings; check network connectivity to SIP server.
Poor audio qualityNetwork/configurationCheck network latency/jitter; verify codec settings; adjust volume.
Touchscreen not responsiveCalibration/softwareRestart phone; recalibrate touchscreen; update firmware.

Reset: Press and hold OK key during boot for factory reset.

Service: Contact authorized Yealink dealer or visit www.yealink.com/support

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