Yealink T7 Series SIP-T77U
VoIP phone with caller ID/call waiting | 10-way call capability | SIP, SIP v2, ICE | classic gray
Main Specification
| Product Description | Yealink T7 Series SIP-T77U - VoIP phone with caller ID/call waiting - 10-way call capability |
|---|---|
| Product Type | VoIP phone with caller ID/call waiting |
| Compatible Platforms | 3CX, Broadsoft Broadworks |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP Protocols | SIP, SIP v2, ICE |
| Voice Codecs | G.722, AMR-WB, PCMU, G.711μ, PCMA, G.711a, G.723.1, G.729, G.729a, G.729b, G.729ab, G.726, iLBC |
| Speakerphone | Yes |
| Call Services | Call Hold, Call Forwarding, Call Waiting, Call Transfer, Group listening, Voice Mail, Call park/pickup |
| Display | LCD display - colour - Yes |
| Display Features | Touch screen, Dark mode, accessibility mode, screen saver, intelligent power saving |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Yealink Redirection and Provisioning Service (RPS) |
| Body Colour | Classic gray |
General
| Product Type | VoIP phone |
|---|---|
| Compatible Platforms | 3CX, Broadsoft Broadworks |
| Body Colour | Classic gray |
Phone Features
| Wireless Interface Provided | Wi-Fi / Bluetooth |
|---|---|
| Call Services | Call Hold, Call Forwarding, Call Waiting, Call Transfer, Group listening, Voice Mail, Call park/pickup |
| Caller ID Type | Caller ID/call waiting |
| Dialer Location | Base |
| Conference Call Capability | 10-way |
| Speakerphone | Yes |
| Programmable Buttons Qty | 84 |
| Volume Control | Yes |
| Indicators | Busy lamp field (BLF), bridged line appearance (BLA) |
| Additional Functions | Acoustic Shield Technology, USB recording port, USB headset port, dual firmware images, Smart Noise Filtering, mute, Do Not Disturb (DND), emergency call, redial, call return, dial plan, auto answer, volume synchronisation, multiple call control, blocklist, smart dialing, anonymous call, anonymous call rejection, hot-desking, call recording |
IP Telephony
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
|---|---|
| VoIP | Yes |
| VoIP Protocols | SIP, SIP v2, ICE |
| Voice Codecs | G.722, AMR-WB, PCMU, G.711μ, PCMA, G.711a, G.723.1, G.729, G.729a, G.729b, G.729ab, G.726, iLBC |
| Quality of Service | IEEE 802.1Q (VLAN), Layer 3 TOS, IEEE 802.1p |
| IP Address Assignment | DHCP, static |
| Security | TLS, SSL, WPA2, WPA3, IEEE 802.1X, 256 bit AES |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | STUN, DHCP, RTCP-XR, VQ-RTCPXR, IPv6, Link Layer Discovery Protocol (LLDP), CDP, VLAN, SRTP, UDP, TCP, DNS SRV, HTTPS, L2TP, GARP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
| Compatible Software | Yealink Redirection and Provisioning Service (RPS) |
| Voice Features | AI noise cancellation, dual tone multi-frequency (DTMF), voice activity detection (VAD), comfort noise generation (CNG), acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), Zero-sp-touch, Yealink Optima HD voice technology |
| Network Features | 16 VoIP accounts, IEEE 802.3af, Class 3 PoE, Network Address Translation (NAT), Lightweight Directory Access Protocol (LDAP), open VPN |
Phone Memory
| Phone Directory Capacity | 1000 names & numbers |
|---|
Display
| Type | LCD display - colour |
|---|---|
| Display Location | Base |
| Diagonal Size | 7" |
| Display Resolution | 800 x 480 pixels |
| Backlit | Yes |
| Display Languages | Multilingual |
| Features | Touch screen, Dark mode, accessibility mode, screen saver, intelligent power saving |
Miscellaneous
| Connections | Expansion module USB / 4 PIN USB Type A 2 x network / RJ-45 USB / 24 pin USB-C |
|---|---|
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Wall-mountable / table-top |
| Cables Included | Ethernet cable - 2 m Handset cord |
| Included Accessories | Stand |
Power
| Power Consumption | 2.48 - 2.63 W (PSU), 2.418 - 3.233 W (PoE) |
|---|
Dimensions & Weight (Base)
| Width | 26.21 cm |
|---|---|
| Depth | 16.75 cm |
| Height | 21.92 cm |
Dimensions & Weight (Shipping)
| Shipping Width | 28.5 cm |
|---|---|
| Shipping Depth | 25.3 cm |
| Shipping Height | 10.4 cm |
Product features
High-resolution display
The SIP-T77U features a 7-inch LCD screen with a resolution of 800 x 480 pixels, providing clear visuals and vibrant color representation for enhanced user interaction.Robust call management
With support for call recording, muting, redialing, and a range of additional call functions, users can efficiently handle their communication needs with ease.Secure connectivity
This device offers multiple security protocols including WPA2 and 256-bit AES encryption, ensuring secure data transmission and protection against unauthorized access.Multi-network support
Designed with an integrated Ethernet switch and support for various network protocols, the SIP-T77U can function optimally in diverse network environments.Flexible integration options
The phone supports Power over Ethernet and various connectivity ports, facilitating easy installation and integration into existing business systems.Key selling points
- 7-inch color LCD touchscreen for easy navigation
- 84 programmable buttons for customized functionality
- Advanced security features including WPA2 and TLS
- Smart noise filtering technology for enhanced call clarity
- Conference call capability for up to 10 participants
References
MPN: SIP-T77U
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04/06/2026 07:15:31