SIP-T77U specification sheet

Overview:

Yealink SIP-T77U 7-inch IP Phone
Yealink introduces the T77U SIP IP Phone, a professional-grade business communication tool designed for executives and teams seeking superior call quality and seamless collaboration. Its sleek design, large touch screen, and advanced connectivity options make it ideal for modern office environments.

Description:

The Yealink T77U offers a 7-inch color touch screen, AI-powered noise cancellation, dual USB ports, and support for up to 16 SIP accounts. It delivers crystal-clear audio, secure communication, and extensive customization options, including expansion modules and programmable keys. With PoE support, Bluetooth, Wi-Fi, and USB recording capabilities, it combines flexibility and high performance for professional office communication.

Features:

Advanced Touch Screen and Intuitive Design
The T77U features a 7-inch 800 x 480-pixel backlit touch screen that simplifies navigation between pages and applications. The sleek interface allows quick access to key functions, ensuring smooth and efficient operation for busy professionals. Two adjustable angles and wall-mount options enhance usability in any workspace.

Crystal-Clear HD Audio
Yealink Optima HD Voice technology delivers superior audio performance, combining advanced hardware, software, and wideband codecs for exceptional sound clarity. AI noise cancellation minimizes background noise, ensuring every call is crisp and professional.

Secure and Reliable Communication
Built with SIP over TLS/SSL, the T77U provides enterprise-level network security. It supports leading soft switch platforms, including 3CX and Broadsoft Broadworks, and features dual firmware images to protect against system failures during updates. The Security Center allows users to manage device connections and data permissions for added privacy.

Flexible Connectivity Options
The T77U includes dual USB ports that support Bluetooth, Wi-Fi, USB headsets, and USB recording. Additional connectivity options include dual-port Gigabit Ethernet, PoE support, headset/EHS compatibility, and expansion modules for up to 234 extra programmable buttons.

Customizable and Scalable for Your Needs
With 84 one-touch DSS keys and compatibility with up to three expansion modules, the T77U offers extensive customization for quick access to features. Its unified firmware supports all T7 series models, simplifying deployment, management, and maintenance across your organization.

Effortless Installation and Management
Yealink's Redirection and Provisioning Service (RPS) enables Zero Touch Provisioning, allowing fast setup and mass deployment without complex manual configuration. The unified firmware and auto-P template streamline system updates, saving time and reducing operational costs.

Enhanced Security with Linux 6.1 and TEE Encryption
Powered by Linux 6.1, the T77U provides a more secure and stable operating system. Coupled with TEE hardware encryption, it ensures safe data storage and secure communication across all network operations.

Technical Specifications:

• Supports up to 16 SIP accounts
• 7-inch 800 x 480-pixel color touch screen with backlight
• Dual USB ports (Type-A and Type-C)
• Dual-port Gigabit Ethernet with PoE
• Handset and headset (RJ9 ) ports
• 84 programmable DSS keys and 7 feature keys
• Supports Bluetooth via BT41 and Wi-Fi via WF50
• USB recording capability
• Compatible with color-screen expansion modules
• Stand with adjustable angles and wall-mountable design
• Linux 6.1 OS with TEE hardware encryption

Specifications:

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Specifications
Product Code	SIP-T77U
Audio Features	HD voice: HD handset, HD speaker
	Hearing aid compatible (HAC) handset
	Acoustic Shield
	Smart Noise Filtering
	Audio codec: AMR-WB (optional), G.722
	Narrowband codec: AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC
	DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
	Full-duplex hands-free speakerphone with AEC, VAD, CNG, AEC, PLC, AJB, AGC
Phone Features	16 VoIP accounts
	Call hold, mute, DND
	One-touch speed dial, hotline
	Call forward, call waiting, call transfer
	Group listening
	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)
	- Bluetooth headset through BT40/BT41/BT51
	- Support Yealink Bluetooth headset BH71/BH71 Workstation/BH71 Workstation Pro/BH72/BH76/UH38 through BT51
	- DECT wireless headset (Yealink WH62 Portable/WH63 Portable)
	- Contact synchronization through BT40/BT41/BT51
	- Simultaneous connection of one headset and one mobile phone through BT40/BT41/BT51
	- Wi-Fi through WF50
	- USB call recording through USB flash drive
	- USB headset
	- Expansion Module EXP55
	- Wireless Headset Adapter EHS40
	USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone/wireless headset UH38, USB connectivity to Yealink wired headset UH34/UH36/UH37
	- Basic functions: Answer/end, call mute
	- Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple call control
	Accessibility features
Directory	Local phonebook up to 1000 entries
	Blocklist
	XML/LDAP remote phonebook
	Smart dialing
	Phonebook search/import/export
	Call history: dialed/received/missed/forwarded
IP-PBX Features	Busy Lamp Field (BLF), Bridged Line Appearance (BLA)
	Anonymous call, anonymous call rejection
	Hot-desking, voice mail
	Flexible seating, Executive and Assistant
	Call park, call pickup
	Centralized call recording, call recording
	Visual voice mail
Feature Keys	84x one-touch DSS keys
	7x feature keys: hold, transfer, message, headset, mute, redial, speakerphone
	Volume control keys
	Illuminated mute/headset/hands-free speakerphone key
Interface	Dual-port Gigabit Ethernet
	Power over Ethernet (IEEE 802.3af)
	2x USB port (Type-USB A, Type-USB C)
	1x RJ9 (4P4C) handset port
	1x RJ9 (4P4C) headset port
Power Features	External Yealink AC adapter (optional, not included): AC 100~240V input and DC 5V/2A output
	USB output currency: 5V 1A
	Power consumption (PSU): 1.8W-3.8W
	Power consumption (PoE): 2.3W-4.7W