Multi-Line Support: Supports up to 18 SIP accounts, allowing users to manage multiple lines efficiently.

High-Definition Audio: Equipped with HD voice quality and a powerful speakerphone for clear and crisp communication.

Large Color Display: Features a 4.5-inch color display with a resolution of 480x854 pixels, providing clear visibility of call information and settings.

Programmable Keys: Offers up to 80 DSS keys without paper labels, enabling quick access to frequently used functions.

USB Ports: Includes 2 USB ports supporting Wi-Fi dongles, allowing for wireless connectivity.

Gigabit Ethernet Ports: Comes with 2 x RJ45 10/100/1000M Ethernet ports, ensuring fast and reliable network connections.

PoE Support: Supports Power over Ethernet (PoE), simplifying installation by eliminating the need for separate power adapters.

Expansion Module Compatibility: Compatible with the ESM18-LCD expansion module for additional programmable