Yealink Yealink-SIP-T77U
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SIP-T77U-Revolutionary SIP Phone for executives and professionals
Part 1301011 · UPC 841885125583
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Add to cart Continue browsing- Fashionable Design: slimmer body and touchable screen
- Ultra-clear Audio: AI Noise Cancellation, optimized Acoustic Shield, and enhanced 3W speaker
- Enhanced Security: Linux 6.1 and TEE hardware encryption
- Smarter UI: Accessibility, Dark Theme
About this product
The SIP Phone T77U is the next-gen desk phone with fashion-forward design, AI-empowered audio, enhanced system security, smarter UX and a sustainable approach. The fashion-forward appearance, featuring slimmer body and touchable screen, adapts to modern workspace and provides comfortable hand feel. Empowered by AI Noise Cancellation, optimized Acoustic Shield, and enhanced 3W speaker, it provides ultra clear HD audio. The industry-leading Linux 6.1 and TEE hardware encryption provides enhanced security mechanisms and stronger performance. Built with redesigned UI, it offers easier access to rich functions like Accessibility, Dark Theme and more flexible connectivity. The adoption of green packaging and Power-saving mode adheres to the sustainability goals.
Design
- Product type
- IP Phone
- Handset type
- Wired & Wireless handset
- Product colour
- Black
- Backlight keypad
- Yes
- Mounting
- Desk
Phone features
- Answering machine
- Yes
- Redialing
- Yes
- Caller ID
- Yes
- Call waiting
- Yes
- Phonebook capacity
- 1000 entries
- Speed dialling
- Yes
- Intercom
- Yes
- Call hold
- Yes
- Call forwarding
- Yes
- Conference call
- Yes
- Call park
- Yes
- Call pick up
- Yes
- Anonymous call
- Yes
- Full duplex
- Yes
- Phonebook sharing
- Yes
- Number of VoIP accounts
- 12
- Call return
- Yes
- Message-waiting indicator (MWI)
- Yes
- Call history
- Yes
- Customizable wallpaper
- Yes
- Emergency call
- Yes
Management features
- Integrated voicemail
- Yes
- Volume control
- Buttons
- Management platform
- Yealink Device Management Platform
Display
- Display
- LCD
- Display diagonal
- 17.8 cm (7")
- Display resolution
- 800 x 480 pixels
- Touchscreen
- Yes
- Backlight display
- Yes
Audio
- Speakerphone
- Yes
- Microphone mute
- Yes
- Voice codecs
- G.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
Network
- Ethernet LAN
- Yes
- Ethernet LAN interface type
- Gigabit Ethernet
- Ethernet LAN data rates
- 10,100,1000 Mbit/s
- Quality of Service (QoS) support
- Yes
- Security algorithms
- WPA2, WPA3
- Syslog
- Yes
Ports & interfaces
- Headset connectivity
- RJ-9
- USB 2.0 ports quantity
- 1
- USB Type-C ports quantity
- 1
- Ethernet LAN (RJ-45) ports
- 2
- RJ-9 ports quantity
- 2
- DC-in jack
- Yes
Power
- Power over Ethernet (PoE)
- Yes
- AC adapter input voltage
- 100 - 240 V
- AC adapter output voltage
- 5 V
- AC adapter output current
- 2 A
Operational conditions
- Operating temperature (T-T)
- 10 - 45 °C
- Operating relative humidity (H-H)
- 5 - 95%
- Storage temperature (T-T)
- -30 - 70 °C
Weight & dimensions
- Width
- 262.1 mm
- Depth
- 167.5 mm
- Height
- 219.2 mm
- Package width
- 285 mm
- Package depth
- 253 mm
- Package height
- 104 mm
Packaging content
- Mounting kit
- Yes
- Ethernet cable
- Yes
- Handset
- Yes
- Quick start guide
- Yes
- Number of handles included
- 1 pc(s)
Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License