Yealink T46U IP Desktop Phone

General
Model: SIP-T46U
Part Number: 1301203
Product Name: Yealink T46U IP Desktop Phone
Manufacturer: Yealink
Product Type: Business IP Desktop Phone
Phone Type: SIP VoIP Phone
Series: Yealink T4U Series
Deployment: Enterprise, SMB, Reception, Administrative Staff, Executives, Contact Centers
SIP Accounts: Up to 16 SIP Accounts
Line Keys: 10 Physical Line Keys with LED Indicators
DSS Keys: Up to 27 Paperless DSS Keys (3 Pages)
PoE Support: IEEE 802.3af Class 3
Wall Mountable: Supported
Warranty: 2 Years Limited Warranty

Display Specifications
Display Type: Color LCD with Backlight
Display Size: 4.3 Inches
Resolution: 480 × 272 Pixels
Color Depth: 16-bit Color
Backlit Display: Supported
User Interface: Intuitive Graphical User Interface
LED Status Indicator: Call and Message Waiting Indicator
Screen Type: TFT Color Display
Caller Information Display: Supported
Wallpaper Customization: Supported
Screen Saver: Supported

Audio Specifications
HD Voice Technology: Yealink Optima HD Voice
Acoustic Shield Technology: Supported
Smart Noise Filtering: Supported
Speakerphone: Full-Duplex Hands-Free Speakerphone
Wideband Codec Support: Opus, G.722
Narrowband Codec Support: G.711(A/μ), G.723.1, G.726, G.729AB, iLBC
Echo Cancellation (AEC): Supported
Voice Activity Detection (VAD): Supported
Comfort Noise Generation (CNG): Supported
Packet Loss Concealment (PLC): Supported
Adaptive Jitter Buffer (AJB): Supported
DTMF: In-Band, RFC2833, SIP INFO
Hearing Aid Compatible (HAC): Supported
Voice Clarity Enhancement: Supported

Telephony Features
SIP Accounts: Up to 16
Call Hold: Supported
Call Transfer: Supported
Call Forward: Supported
Call Waiting: Supported
Call Park: Supported
Call Pickup: Supported
Redial: Supported
Mute Function: Supported
Do Not Disturb (DND): Supported
Speed Dial: Supported
Hotline Function: Supported
Anonymous Call: Supported
Anonymous Call Rejection: Supported
Voice Mail: Supported
Message Waiting Indicator: Supported
Busy Lamp Field (BLF): Supported
Intercom: Supported
Paging: Supported
XML Browser: Supported
Direct IP Calling: Supported
10-Way Audio Conferencing: Supported

Connectivity Specifications
Ethernet Ports: 2 x RJ45 Gigabit Ethernet Ports
Network Speed: 10/100/1000 Mbps
USB Ports: 2 x USB 2.0 Ports
Handset Port: 1 x RJ9
Headset Port: 1 x RJ9
EHS Support: Supported
USB Headset Support: Supported
USB Recording: Supported
PC Passthrough: Supported
Dual USB Accessory Support: Supported

Wireless Expansion Support
Bluetooth Support: Via Yealink BT40 / BT41 / BT52 USB Dongle
Wi-Fi Support: Via Yealink WF40 / WF50 USB Dongle
Wireless Headset Support: Supported
Bluetooth Mobile Pairing: Supported
Bluetooth Contact Synchronization: Supported
DECT Wireless Headset Support: Supported
Simultaneous USB Peripheral Support: Any Two USB Accessories Supported

Expansion Features
Expansion Module Support: Yealink EXP43
Maximum Expansion Modules: Up to 3 EXP43 Units
Additional DSS Keys: Up to 180 Additional Keys
Color Expansion Display Support: Supported
USB Peripheral Expansion: Supported
Reception Console Deployment: Supported

Phonebook & Directory Features
Local Phonebook Capacity: Up to 1,000 Entries
Remote Phonebook: XML / LDAP Supported
Blacklist Support: Supported
Call History: Supported
Missed Calls: Supported
Received Calls: Supported
Dialed Calls: Supported
Corporate Directory Integration: Supported
LDAP Directory Support: Supported

Network & Security Features
SIP Protocol: SIP v1 (RFC2543), SIP v2 (RFC3261)
IPv4 Support: Supported
IPv6 Support: Supported
OpenVPN: Supported
QoS: 802.1p/Q VLAN Tagging
TLS 1.3 Encryption: Supported
SRTP Encryption: Supported
HTTPS Security: Supported
802.1X Authentication: Supported
LLDP: Supported
CDP: Supported
Dual Firmware Images: Supported
Enterprise Security Center: Supported
Secure Auto Provisioning: Supported

Management Features
Auto Provisioning: Supported
Zero-Touch Provisioning: Supported
Yealink RPS: Supported
Web-Based Administration: Supported
Remote Configuration: Supported
Firmware Upgrade: Supported
Remote Reboot: Supported
System Log Export: Supported
Centralized Device Management: Supported
Mass Deployment Support: Supported
Yealink Device Management Platform (YDMP): Supported

Unified Communications Compatibility

Compatible Platforms:
• Microsoft Teams SIP Gateway
• Zoom Phone
• 3CX
• BroadSoft
• Asterisk
• Metaswitch
• RingCentral
• Cisco BroadWorks
• Hosted PBX Platforms
• Standard SIP Platforms

Design & Construction
Color: Classic Grey
Stand Angles: 2 Adjustable Angles
Wall Mountable: Supported
Professional Business Design: Supported
Enterprise Grade Construction: Supported
Hall Switch Handset: Supported
Paperless DSS Key Design: Supported
Executive Office Styling: Supported

Environmental Specifications
Operating Temperature: 0°C to 40°C
Storage Temperature: -10°C to 50°C
Operating Humidity: 10% to 95% Non-Condensing

Physical Specifications
Dimensions: 244 mm × 213 mm × 185 mm
Display Size: 4.3 Inches
Resolution: 480 × 272 Pixels
Color: Classic Grey
Mounting Type: Desktop or Wall Mount
Form Factor: Executive IP Desktop Phone

Package Contents
Yealink SIP-T46U IP Desktop Phone
Handset
Handset Cord
Ethernet Cable
Adjustable Stand
Quick Start Guide
Power Adapter (Optional)

Key Features
4.3" Color LCD Display with Backlight
Up to 16 SIP Accounts
Yealink Optima HD Voice Technology
Acoustic Shield Technology
Smart Noise Filtering
Dual Gigabit Ethernet Ports
Dual USB 2.0 Ports
USB Recording Support
Bluetooth Expansion Support
Wi-Fi Expansion Support
USB Headset Compatibility
PoE Support
10-Way Audio Conferencing
TLS 1.3 and SRTP Security
EXP43 Expansion Module Support
Up to 180 Additional DSS Keys
Hall Switch Handset Design
Dual Firmware Images for Safe Upgrades

Performance & Features
Professional-grade IP phone designed for executives, managers, receptionists, and administrative personnel. The T46U delivers superior voice quality through Optima HD Voice, Acoustic Shield, and Smart Noise Filtering technologies. Its larger 4.3-inch color display, support for up to 16 SIP accounts, dual USB ports, and expansion module compatibility make it ideal for users managing high call volumes and multiple extensions. Enterprise-grade security, centralized provisioning, and Gigabit networking ensure reliable performance across modern business communication environments.

Typical Use Cases
Executive Offices
Reception Desks
Administrative Assistants
Call Centers
Customer Service Teams
Corporate Office Users
Enterprise VoIP Deployments
Microsoft Teams SIP Environments
Zoom Phone Deployments
Hosted PBX Systems
Branch Office Communications
Unified Communications Platforms
Operator Console Deployments
High Call Volume Users

GTIN / EAN
GTIN / EAN: 6938818302184