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Yealink SIP-T46U VoIP desk phone in classic gray with 4.3 inch color display and dual USB ports

Yealink Network Technology Co., Ltd

Yealink Network Technology Co., Ltd SIP-T46U VoIP Phone 4.3" 480x272 16 Accounts Dual Gigabit PoE

SKU CH-NFRQ-V2R5Y MPN SIP-T46U

A desk VoIP handset with a 4.3" colour screen, dual Gigabit Ethernet ports, PoE power and capacity for 16 SIP accounts

  • TypeVoIP Phones
  • SecurityNETWORK AND SECURITY SIP v1 (RFC2543), v2 (RFC3261) Call ser
  • PortsDual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af
  • DisplayDISPLAY AND INDICATOR 4.3" 480 x 272-pixel color display wit
  • PowerExternal Yealink AC adapter (optional): AC 100-240 V input a
  • DimensionsDimension (WxDxHxT): 244 x 213 x 185 x 54 mm

Model SIP-T46U

Struck-through versions exist but are not stocked here.

  • 3" colour display with backlight shows call details clearly
  • 16 SIP accounts let you manage multiple lines from one device
  • Dual Gigabit Ethernet ports provide wired network speed and redundancy
  • Power over Ethernet (IEEE 802.3af) removes the need for a separate power adapter
  • Two USB 2.0 ports support headsets, Wi-Fi or Bluetooth accessories

Desk phone with 16 SIP accounts

The Yealink SIP-T46U is a corded VoIP telephone built for office desks or wall mounting. It supports up to 16 SIP accounts and handles 10-way audio conferencing. Dual Gigabit Ethernet ports and Power over Ethernet class 3 simplify cabling. Two USB 2.0 ports accept headsets or optional Wi-Fi and Bluetooth dongles.

Power draw between 1.2 W and 3.8 W

With the optional external adapter the phone draws 1.2 to 3.0 W, while PoE operation uses 1.6 to 3.8 W. The 4.3 inch 480 by 272 pixel colour display has a backlight and 16-bit colour depth. Dual-colour LEDs show line status and a separate LED signals calls and messages, all without active cooling.

Wall-mountable chassis with dual Gigabit ports

The handset and headset each connect through dedicated RJ9 ports, leaving the USB ports free for peripherals or the WF40, WF50, BT40, BT41 and BT52 adapters. An optional AC adapter supplies 5 V at 2 A and the USB ports can deliver 5 V at 1 A for charging. The footprint measures 244 by 213 mm with a 54 mm depth when tilted.

Highlights

  • 3" colour display with backlight shows call details clearly
  • 16 SIP accounts let you manage multiple lines from one device
  • Dual Gigabit Ethernet ports provide wired network speed and redundancy
  • Power over Ethernet (IEEE 802.3af) removes the need for a separate power adapter
  • Two USB 2.0 ports support headsets, Wi-Fi or Bluetooth accessories

Specifications

BrandYealink
ModelSIP-T46U
Part NumberSIP-T46U
TypeVoIP Phones
SecurityNETWORK AND SECURITY
SIP v1 (RFC2543), v2 (RFC3261)
Call server redundancy supported
NAT traversal: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV(RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
SRTP for voice
Transport Layer Security (TLS 1.3)
HTTPS certificate manager
AES encryption for configuration file (AES256)
Digest authentication: MD5/SHA1/SHA224/-SHA256/SHA384/SHA512
OpenVPN, IEEE802.1X, L2TP VPN
IPv6, LLDP/CDP/DHCP VLAN, ICE
WPA2/WPA3
Secure boot
> GARP (G
PortsDual-port Gigabit Ethernet
Power over Ethernet (IEEE 802.3af), class 3
2 x USB port (2.0 compliant)
1 x RJ9 (4P4C) handset port
1 x RJ9 (4P4C) headset port
DisplayDISPLAY AND INDICATOR
4.3" 480 x 272-pixel color display with backlight
16 bit depth color
LED for call and message waiting indication
Dual-color (red or green) illuminated LEDs for line status information
Intuitive user interface with icons and soft keys
Multilingual user interface
Caller ID with name and number
Wallpaper, Screensaver, Power saving
PowerExternal Yealink AC adapter (optional): AC 100-240 V input and DC 5 V/2 A output
USB output currency: 5V 1A
Power consumption (PSU): 1.2-3.0 W
Power consumption (PoE): 1.6-3.8 W
DimensionsDimension (WxDxHxT): 244 x 213 x 185 x 54 mm
FeaturesPHONE
16 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Group listening, SMS, emergency call
Redial, call return, auto answer
10-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial plan, XML Browser, Action URL/URI
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Dual USB ports (2.0 compliant)
USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone/wireless headset UH38, USB connectivity to Yealink wired headset UH34/UH36/UH37
Enhanced DSS key
AUDIO
HD
Shipping weight1.81 kg
Package size277 × 249 × 114 mm

Other versions of this model

3 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How do I power the SIP-T46U using the dual-port Gigabit Ethernet and PoE without the optional AC adapter?

Connect the network cable to the LAN port; the phone draws 1.6-3.8 W via IEEE 802.3af class 3 PoE. The second Gigabit port passes the link to a PC. No external adapter is required when PoE is available.

Which replaceable parts on the SIP-T46U wear out first and where do I find them?

The coiled handset cord and the RJ9 headset cable are the main consumables; both use standard 4P4C plugs. The USB 2.0 ports accept wired or wireless headsets via BT40/BT41/BT52 dongles, reducing wear on the RJ9 jack.

At what point does the SIP-T46U hit its account limit during daily operation?

The phone supports 16 SIP accounts simultaneously. Once all 16 are registered, additional accounts cannot be added until one is removed or disabled in the web interface.

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