Grandstream GXW4216 - VoIP phone adapter - 16 ports - 1GbE voice/fax board - analog ports: 16 - 1U - rack-mountable

Key Features and Benefits:

• 16 telephone FXS ports with per port LEDs, 50-pin Telco connectors and RJ11 ports
• Gigabit Ethernet and a backlit 128 x 32 graphic LCD display with support for multiple languages
• 4 SIP server profiles per system and independent SIP account per port
• Advanced carrier grade 128 ms-tail-length line echo cancellation
• Over-voltage and over-current protection