Yealink SIP-T77U 16 Line IP HD Business Phone
Description
Colour: Classic Grey
7" 800 x 480-pixel color touch screen with backlight
AI Powered Audio
I/O: Dual-port Gigabit Ethernet, 2 x USB port (Type-USB A, Type-USB C), 1 x RJ9 (4P4C) handset port, 1 x RJ9 (4P4C) headset port
Dimension (WxDxHxT): 262.1 mm x 167.5 mm x 219.2 mm x 56.9 mm
Wall mountable
SIP-T77U
Delivery
Australia
Standard Shipping 4-7 business days: AU $8.95*
Express Shipping 1-3 business days: AU $15*
International Shipping
New Zealand 9-12 business days: AU$21*
*During peak promotional periods, please allow additional time for your order dispatch.
Learn more
Returns
While we can’t offer a refund or replacement if you simply change your mind, we’re here to help if your item has a problem under Australian Consumer Law. You may be entitled to a refund or exchange if an item has a major problem. This is when the item:
- has a problem that would have stopped someone from buying the item if they had known about it
- is unsafe
- is significantly different from the sample or description
- doesn't do what we said it would, or what you asked for and can't be easily fixed
If the problem is not major, we will repair the item within a reasonable time. If it can’t be repaired in a reasonable time, we’ll offer a suitable resolution such as a refund or replacement. Please keep your proof of purchase — e.g. your receipt.
Read more
In stock with supplier
Ships within 8 - 27 days
BANK TRANSFER (EFT)
In stock with supplier
Ships within 8 - 27 days
Accepted payment methods
Description
Colour: Classic Grey
7" 800 x 480-pixel color touch screen with backlight
AI Powered Audio
I/O: Dual-port Gigabit Ethernet, 2 x USB port (Type-USB A, Type-USB C), 1 x RJ9 (4P4C) handset port, 1 x RJ9 (4P4C) headset port
Dimension (WxDxHxT): 262.1 mm x 167.5 mm x 219.2 mm x 56.9 mm
Wall mountable
SIP-T77U
Delivery
Australia
Standard Shipping 4-7 business days: AU $8.95*
Express Shipping 1-3 business days: AU $15*
International Shipping
New Zealand 9-12 business days: AU$21*
*During peak promotional periods, please allow additional time for your order dispatch.
Learn more
Returns
While we can’t offer a refund or replacement if you simply change your mind, we’re here to help if your item has a problem under Australian Consumer Law. You may be entitled to a refund or exchange if an item has a major problem. This is when the item:
- has a problem that would have stopped someone from buying the item if they had known about it
- is unsafe
- is significantly different from the sample or description
- doesn't do what we said it would, or what you asked for and can't be easily fixed
If the problem is not major, we will repair the item within a reasonable time. If it can’t be repaired in a reasonable time, we’ll offer a suitable resolution such as a refund or replacement. Please keep your proof of purchase — e.g. your receipt.
Read more





| Audio | HD voice | HD handset, HD speaker |
| Hearing aid compatible | HAC handset | |
| Acoustic Shield | Yes | |
| Smart Noise Filtering | Yes | |
| 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), SIP INFO | |
| Speakerphone | Full-duplex hands-free with AEC | |
| Voice processing | VAD, CNG, AEC, PLC, AJB, AGC | |
| Phone | VoIP accounts | 16 |
| Basic call features | Call hold, mute, DND | |
| Speed dial | One-touch speed dial, hotline | |
| Call management | Call forward, call waiting, call transfer | |
| Group listening | Yes | |
| Emergency call | Yes | |
| Redial/return | Redial, call return, auto answer | |
| Conferencing | 10-way conferencing | |
| Direct IP call | Without SIP proxy | |
| Ringtones | Selection/import/delete | |
| Date/time | Manual or automatic | |
| Dial plan | Supported | |
| XML Browser | Supported | |
| Action URL/URI | Supported | |
| RTCP-XR | RFC3611 | |
| VQ-RTCPXR | RFC6035 | |
| Dual USB ports | USB 2.0 compliant | |
| Bluetooth headset | Through BT41/BT51 | |
| Yealink Bluetooth headset support | BH71/BH71 Workstation/BH71 Workstation Pro/BH72/BH76/UH38 (via BT51) | |
| DECT wireless headset | WH62 Portable / WH63 Portable | |
| Contact sync | Through BT41/BT51 | |
| Simultaneous connections | One headset + one mobile phone (via BT41/BT51) | |
| Wi-Fi | Through WF50 | |
| USB call recording | Via USB flash drive | |
| USB headset | Supported | |
| Expansion module | EXP55 | |
| Wireless headset adapter | EHS40 | |
| USB/Bluetooth connectivity | CP900/CP700 speakerphone, UH38 wireless headset | |
| USB wired headset support | UH34/UH36/UH37 | |
| Basic headset functions | Answer/end, call mute | |
| Enhanced headset functions | Audio optimization, redial, call hold, volume sync, multi-call control | |
| Accessibility features | Yes | |
| Directory | Local phonebook | Up to 1000 entries |
| Blocklist | Yes | |
| Remote phonebook | XML/LDAP | |
| Smart dialing | Yes | |
| Phonebook management | Search/import/export | |
| Call history | Dialed/received/missed/forwarded | |
| IP PBX Features | BLF/BLA | Supported |
| Anonymous call | Supported | |
| Anonymous call rejection | Supported | |
| Hot-desking | Supported | |
| Voice mail | Supported | |
| Flexible seating | Supported | |
| Executive & Assistant | Supported | |
| Call park | Supported | |
| Call pickup | Supported | |
| Centralized call recording | Supported | |
| Call recording | Supported | |
| Visual voice mail | Supported | |
| Display & Indicator | Screen | 7" 800×480 capacitive adjustable touch screen |
| LED indicators | Call and message waiting | |
| Wallpaper | Supported | |
| UI | Icons and soft keys | |
| Multilingual UI | Supported | |
| Caller ID | Name, number, photo | |
| Screensaver | Supported | |
| Power saving | Intelligent | |
| Themes | Dark and light | |
| Feature Keys | DSS keys | 84 one-touch |
| Feature keys | Hold, transfer, message, headset, mute, redial, speakerphone | |
| Volume keys | Yes | |
| Illuminated keys | Mute/headset/hands-free | |
| Interface | Ethernet | Dual-port Gigabit |
| PoE | IEEE 802.3af, Class 3 | |
| USB ports | 1×USB-A, 1×USB-C | |
| Handset port | 1×RJ9 | |
| Headset port | 1×RJ9 | |
| Management | Configuration | Browser/phone/auto-provision |
| Auto-provisioning | FTP/TFTP/HTTP/HTTPS | |
| PnP | Supported | |
| Broadsoft management | Supported | |
| Zero-Sp-Touch | Supported | |
| TR-069 | Supported | |
| Privacy | Phone lock | |
| Maintenance | Factory reset, reboot | |
| Diagnostics | Package tracing export, system log | |
| Network & Security | SIP | v1 (RFC2543), v2 (RFC3261) |
| Call server redundancy | Supported | |
| NAT traversal | STUN mode | |
| SIP modes | Proxy, peer-to-peer | |
| IP assignment | Static/DHCP | |
| Web server | HTTP/HTTPS | |
| Time sync | SNTP | |
| Protocols | UDP/TCP/DNS-SRV | |
| QoS | 802.1p/Q, ToS DSCP | |
| Voice security | SRTP | |
| TLS | TLS 1.3 | |
| Certificate manager | HTTPS | |
| Config encryption | AES256 | |
| Authentication | MD5/MD5-sess | |
| VPN | OpenVPN, IEEE802.1X, L2TP | |
| IPv6 | Supported | |
| Network discovery | LLDP/CDP/DHCP VLAN | |
| ICE | Supported | |
| Wi-Fi security | WPA2/WPA3 | |
| Secure boot | Supported | |
| GARP | Supported | |
| Hardware security | TEE hardware encryption | |
| Other Physical Features | Color | Classic Grey |
| Wall mount | Optional | |
| Power adapter | Optional (AC 100–240V → DC 5V/2A) | |
| USB output | 5V/500mA | |
| Power consumption (PSU) | 2.48–2.63 W | |
| Power consumption (PoE) | 2.418–3.233 W | |
| Dimensions | 262.1×167.5×219.2×56.9 mm | |
| Operating humidity | 10–95% | |
| Operating temperature | -10 to 45°C | |
| Storage temperature | -30 to 70°C | |
| Package Contents | Included | Phone, handset + cord, 2m CAT5E cable, stand, QSG |
| Optional | Power adapter, wall mount bracket | |
| Qty per carton | 5 pcs | |
| Net weight | 6.99 kg | |
| Gross weight | 7.702 kg | |
| Giftbox size | 285×253×104 mm | |
| Carton size | 540×260×300 mm |