Grandstream Gigabit Gateway GXW4216 v2

GXW4216 v2 high-density FXS gateway enables businesses of all sizes to create a cost-effective hybrid IP and analog telephone system that offers the benefits of VoIP communications and takes advantage of Gigabit speeds.

4 SIP server profiles per system, independent SIP account per port
Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
Supports 16KHz wide-band voice sampling rate and wide-band codecs such as Opus and G.722
Carrier-grade security features including secure boot, unique certificate and random default password per device, dual firmware images

Telephone Interfaces 16 x RJ11 & 1 50-pin Telco connector
Network Interfaces 1 x 10M/100M/1000Mbps auto-sensing RJ45 port
LCD display Backlit 128×32 graphic LCD display with support for multiple languages
Voice-over-Packet Capabilities Window based carrier grade line echo cancellation, dynamic jitter buffer, modern detection & auto-switch to G.711
Telephony Feature Caller ID display or block, call waiting, blind or attended call transfer, call forward, do not disturb, 3-way conference, last call return, paging, message waiting indicator LED (NEON LED) support and stutter tone, auto dial
Network Protocols TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, PPPoE, STUN, LLDP
SIP Server Profiles & Accounts Per System 4 distinct SIP server profiles per system and independent SIP account per telephone port
Provisioning TFTP, HTTP, HTTPS, FTP, FTPS, TR069
Security SRTP, TLS/SIPS, HTTPS (AES-128 encryption for SRTP, TLS and HTTPS), SecureBoot, random admin passwords
Management Syslog, HTTPS, Web browser, voice prompt, TR-069