Introducing the Yealink SIP T42U IP Phone, designed for modern communication with its sleek grey finish. This phone features a wireless handset for flexible use and offers an impressive phonebook capacity of up to 1000 entries, making it ideal for both corporate and personal use. The device boasts a clear LCD display, measuring 6.86 cm (2.7 inches) diagonally with a resolution of 192 x 68 pixels, ensuring easy navigation and message viewing. Connectivity is enhanced with a Gigabit Ethernet LAN interface, supporting both IPv4 and IPv6 network protocols for versatile network integration. The phone adheres to SIP v1 (RFC2543) and v2 (RFC3261) standards, including UDP/TCP/DNS-SRV (RFC 3263) protocols for reliable communication. Security is prioritized with advanced algorithms including 256-bit AES, HTTPS, TLS, WPA2, and WPA3, providing robust protection for your communications. Despite its comprehensive features, the Yealink SIP T42U maintains energy efficiency with a typical power consumption of just 2.2 watts.