5 SIP accounts, 10 lines
40 built-in digital BLF keys
4.3 inch color LCD screen
Secure boot, dual firmware images, and encrypted data storage
Integrated dual-band 802.11 a/b/g/n Wi-Fi
Dual switched auto-sensing Gigabit ports with integrated PoE
Swappable faceplates to allow for easy logo customization
Integrated Bluetooth
Zero touch provisioning using Grandstream Device Management System (GDMS)
Supports up to 4 GBX20 Extension Modules for speed-dial access to 160 contacts