Yealink Yealink-SIP-T77U
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Key specifications
- Display diagonal: 17.8 cm (7")
- Display resolution: 800 x 480 pixels
- Product colour: Black
- Display: LCD
- Product type: IP Phone
- Speakerphone: Yes
- Handset type: Wired & Wireless handset
- Operating relative humidity (H-H): 5 - 95%
- Voice codecs: G.711a, G.711u, G.723.1, G.726, G.729, G.729A, G.729B, G.729ab
- Caller ID: Yes
- Number of handles included: 1 pc(s)
- Touchscreen: Yes
- Ethernet LAN (RJ-45) ports: 2
- Ethernet LAN: Yes
- Ethernet LAN interface type: Gigabit Ethernet
- Power over Ethernet (PoE): Yes
- Ethernet LAN data rates: 10,100,1000 Mbit/s
- RJ-9 ports quantity: 2
- Security algorithms: WPA2, WPA3
- Handset: Yes
Audio
- Microphone mute
- Yes
Design
- Backlight keypad
- Yes
- Mounting
- Desk
Display
- Backlight display
- Yes
General
- Video/mp4
- https://objects.icecat.biz/objects/132341188_71009288.mp4|https://objects.icecat.biz/objects/132341188_71010317.mp4|https://objects.icecat.biz/objects/132341188_71012245.mp4
Management features
- Integrated voicemail
- Yes
- Management platform
- Yealink Device Management Platform
- Volume control
- Buttons
Network
- Quality of Service (QoS) support
- Yes
- Syslog
- Yes
Operational conditions
- Operating temperature (T-T)
- 10 - 45 °C
- Storage temperature (T-T)
- -30 - 70 °C
Packaging content
- Ethernet cable
- Yes
- Mounting kit
- Yes
- Quick start guide
- Yes
Phone features
- Anonymous call
- Yes
- Answering machine
- Yes
- Call forwarding
- Yes
- Call history
- Yes
- Call hold
- Yes
- Call park
- Yes
- Call pick up
- Yes
- Call return
- Yes
- Call waiting
- Yes
- Conference call
- Yes
- Customizable wallpaper
- Yes
- Emergency call
- Yes
- Full duplex
- Yes
- Intercom
- Yes
- Message-waiting indicator (MWI)
- Yes
- Number of VoIP accounts
- 12
- Phonebook capacity
- 1000 entries
- Phonebook sharing
- Yes
- Redialing
- Yes
- Speed dialling
- Yes
Ports & interfaces
- DC-in jack
- Yes
- Headset connectivity
- RJ-9
- USB 2.0 ports quantity
- 1
- USB Type-C ports quantity
- 1
Power
- AC adapter input voltage
- 100 - 240 V
- AC adapter output current
- 2 A
- AC adapter output voltage
- 5 V
Weight & dimensions
- Depth
- 16.75 cm
- Height
- 21.92 cm
- Package depth
- 25.3 cm
- Package height
- 10.4 cm
- Package width
- 28.5 cm
- Width
- 26.21 cm
Quick start guide
Materials
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| Description | 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. |
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Where do the specifications come from?
Where do the specifications come from?
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Free shipping is offered on orders over $550 within Australia, with tracked delivery included on every order. For full details, please refer to our Shipping Policy in the Customer Service section of the website.
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What is the returns policy?
We accept returns within 14 days of purchase, provided items are unopened and in their original packaging. For full details, please refer to our Returns Policy in the Customer Service section of the website.
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At NUTEC, we take a partnership-first approach to every engagement. We start by understanding your business - its challenges, priorities, and long-term goals before recommending any technology solution. From workplace modernization and cloud infrastructure to cyber security and systems integration, our team works closely with you at every stage, ensuring the right technology is procured, implemented, and supported with clarity and confidence. We believe in transparent communication, tailored outcomes, and building lasting partnerships that grow with your business.