The Grandstream GXW4216 is a 16 FXS port VoIP gateway that can be used to connect analog devices such as phones and faxes to a VoIP network. It also features superb voice quality, rich telephony functionalities, easy provisioning , flexible dialing plans, advanced security protection, and excellent performance in handling high volume voice calls.

Features:

• 16 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LED
• Gigabit Ethernet and a backlit 128x32 graphic LCD display with support for multiple languages
• 2 SIP server profiles per system and independent SIP account per port
• Supported voice/fax codecs include G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax
• Advanced carrier grade 128ms-tail-length line echo cancellation
• Over-voltage and over-current protection (ITU-T K.21 Basic Test Level)
• Support VMWI, NEON LED and stutter tone for message waiting indication
• Automated provisioning using TR-069 or AES encrypted XML configuration file; TLS/SRTP/HTTPS for advanced security and privacy protection

NEW IN THE BOX