Detailed Specifications
YEALINK 1301011 SIP T77U Ultra Business IP Phone
Overview :
[This offering is a high-performance business IP desk phone featuring a vibrant 7-inch color touch screen engineered specifically for enterprise executives and professionals. It is deployed by enterprise IT administrators and telephony procurement teams to deliver high-performance desktop communication and modern workspace flexibility. The device removes operational barriers by combining advanced telephony capabilities with a sleek slim look, dual USB connectivity, and hardware-level encryption.
Technical coverage provides direct access to ultra-high-definition voice performance, self-developed AI noise cancellation, and optimized audio codecs to eliminate background interference in active office environments.It is deployed across corporate offices, executive suites, and enterprise workspaces utilizing standard SIP infrastructure.
Compatibility is bound to enterprise SIP platforms, IP PBX networks, color-screen expansion modules (such as EXP55), and the broader Yealink headset and wireless accessory ecosystem. This hardware unit should NOT be applied to unsupported legacy analog setups or unverified non-SIP communication environments.]
Key Features :
7-inch (800 x 480 pixel) color capacitive touch screen with backlight
Supports up to 16 independent SIP VoIP accounts
Built on Linux 6.1 with a TEE hardware encryption solution and dual system backup
Yealink Optima HD Voice and self-developed AI noise cancellation technologies
Dual USB ports (Type-A and Type-C) supporting USB headsets, flash drives for local call recording, and wireless adapters (Wi-Fi via WF50 / Bluetooth via BT41)
Hall switch handset design and professional-grade 3W speaker
Supports up to 84 DSS keys via page turning and up to 3 cascading EXP55 color-screen expansion modules
Specifications :
| Specification | Value |
| Brand | YEALINK |
| Part Number | 1301011 |
| Product Type | Ultra Business IP Phone |
| Model Name | SIP-T77U |
| Display Size & Type | 7-inch Color Capacitive Touch LCD |
| Display Resolution | 800 x 480 pixels |
| Operating System | Linux 6.1 |
| SIP Accounts | Up to 16 Accounts |
| Audio Technologies | Yealink Optima HD Voice, AI Noise Cancellation |
| Wireless Connectivity | Supports Wi-Fi (via WF50) and Bluetooth (via BT41) |
| Interface Ports | Dual-Port Gigabit Ethernet, 2x USB 2.0 (Type-A / Type-C), 2x RJ9 Handset/Headset |
| Power Over Ethernet (PoE) | Supported (IEEE 802.3af) |
| Deployment Environment | Enterprise Desktops / Executive Workspaces |
| Lifecycle Phase | Active Business Communication Terminal |
| Geographic Availability | Global Standard Distribution |
