YEALINK 1301011 SIP T77U Ultra Business IP Phone

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 :