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GXW4216 v2

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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

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HT881

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HT881 – Analog FXO Gateway enables businesses of all sizes to create an easy-to-deploy VoIP solution. It offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on premise IP PBX network to make deployments as easy as possible.

Supports 3 SIP profiles through 1 FXS port and 8 FXO ports
High-performance NAT router
Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
3-way voice conferencing per port
Failover SIP server automatically switches to secondary server if the main server loses connection
Strong AES encryption with security certificate per unit

Telephone Interfaces 8 RJ11 FXO ports/1 RJ11 FXS
Network Interfaces Two 10/100/1000Mbps RJ45 ports, one with 802.3af PoE-PD support
Voice Codecs G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729, G.726-32, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
Telephony Feature Caller ID display or block, call waiting, flash, blind or attended transfer, forward,hold, do not disturb, 3-way conference
Network Protocols TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE
DTMF Method In-audio, RFC2833 and/or SIP INFO
Provisioning HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated provisioning using AES encryption, syslog
Security SRTP, TLS/SIPS, HTTPS
Management Syslog support, Telnet, SSH, Remote management using web browser

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