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Yealink SIP-T77U
CurrentYealink T7 Series

Yealink SIP-T77U

Revolutionary SIP Phone for executives and professionals

Datasheet Firmware Get support
Brand
Yealink
Series
T7 Series
Model
SIP-T77U
Status
Current
Documents
22 manuals & files
Knowledge base
310 articles

Overview

About the Yealink SIP-T77U

.temp-page4 .row {padding-top:1rem;padding-bottom: 1.2rem;}The all-new fashionable design, featuring slimmer body, both USB-A and USB-C ports, as well as touchable screen, fits into your modern style. Enjoy comfortable hand feel when you start to work with it!

Specifications

SIP-T77U technical specifications

Source datasheet

  • 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

  • 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)
  • Yealink Bluetooth headset through BT51
  • Support Yealink Bluetooth headset BH71/BH71 Workstation/BH71 Workstation Pro/BH72/BH76/UH38 through BT51
  • DECT wireless headset (Yealink WH62 Portable/WH63 Portable)
  • Wi-Fi through WF50(V1)
  • 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 functions: audio optimization, redial, call hold, volume synchronization, multiple call control
  • Accessibility features

Documents

SIP-T77U manuals & downloads

Datasheets, user and admin guides, quick start guides and deployment files, downloaded directly from Yealink.

Datasheets

1

Quick Start Guides

1

Compatibility

6

Deployment

4

Other Downloads

3

Firmware

SIP-T77U firmware & release notes

Newest first. Check your phone’s current version under Menu → Status before upgrading, and update one phone before a whole office.

Knowledge base

SIP-T77U how-to articles

310 articles from Yealink’s knowledge base, grouped by topic. Articles open on support.yealink.com.
Search SIP-T77U articles
Call Features39See all 39 articles
Audio Features18See all 18 articles
Bluetooth17See all 17 articles
Customize Your Phone16See all 16 articles
Directory and Call Log16See all 16 articles
Auto Provisioning Guide14See all 14 articles
Network Configurations14See all 14 articles
Phone Customization14See all 14 articles
Advanced Features13See all 13 articles
Security Features13See all 13 articles
System Applications for VP59, T58A, T58W, T88W (Pro), T88V Pro12See all 12 articles
Advanced Call Features11See all 11 articles

More topics

Troubleshooting 10General Features 9Use CPW65 with CP965 9Use DECT Handsets with Phone 9Getting Started 8Audio Settings 7Directory 7Enter Characters 7Using DECT Handsets with Desk Phones 7Call History 6Maintain Phone 6Wireless Network 6Account Settings 5Use CP965 Star Connection Feature 3Optional Accessories with Phone 2Appendix 1CP960&CP965 Star Connection 1Device Mode 1Firmware Upgrade 1Headset Settings 1Use CP960 & CP965 with PC 1Use a Phone with a PSTN Account 1Video Features(Only T58W,VP59,T58V, T88V Pro) 1Wireless Access Point 1

Need help with your SIP-T77U?

The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.

Talk to a technician (800) 943-7675

Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink (source) and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.