The Yealink SIP-T77U is a high-quality professional IP phone, specially designed for efficient VoIP communication. One of its most notable features is the large 7-inch color touchscreen with a resolution of 800 x 480 pixels, supporting up to 16 VoIP accounts. This design makes it an excellent choice for busy offices where quick access is important.

The device includes 84 one-touch DSS keys, allowing users to have immediate access to various lines and functions, significantly enhancing productivity. It is equipped with dual Gigabit Ethernet ports (10/100/1000 Mbps) that support PoE (Power over Ethernet), complying with 802.3af Class 3 standards, ensuring a reliable and efficient network connection.

• Display: 7-inch color touchscreen (800 x 480 px) with backlight
• VoIP Accounts: Up to 16 simultaneous registrations
• Lines: 84 programmable one-touch DSS keys
• Two USB ports: 1x USB-A 2.0, 1x USB-C 2.0
• Operating System: Linux 6.1 with hardware TEE encryption

Additionally, the SIP-T77U supports full duplex voice capabilities for two-way operation, making it ideal for multitasking in professional environments. The device offers strong security features, including protected hardware encryption. Among the accessories, an optional Wi-Fi dongle and Bluetooth functionality are available, although the base unit does not include these features.

The SIP-T77U is a versatile and powerful tool for modern businesses.