The GXW4224 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 while preserving investment on existing analog phones, fax machines and legacy PBX systems. The GXW4224 includes 24 FXS ports, a Gigabit network port and features broad interoperability with most service providers, soft-switches and SIP-based environments.

Features:
• 24 FXS ports & 1 50-pin Telco connectors
• 1 Gigabit network port
• 132x48 backlit graphic display with support for multiples languages
• 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
• Advanced security protection with SRTP/TLS/HTTPS

Warranties - Returns:
Money Return:	Repair - Replacement:
20 days	24 months

No of FXS ports: 24

Specifications
Telephone Interfaces	24 x RJ11 & 1 50-pin Telco connectors
Network Interfaces	1 x 10M/100M/1000Mbps auto-sensing RJ45 port
LED indicators	LAN Link, LAN Activity, Connection Per Telephone Port
LCD display	Backlit 128x32 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
Voice Compression	G.711, G.723.1, G.76 (40/32/24/16), G.729 A/B, iLBC
Fax over IP	T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Passthrough, Fax data pump V.17, V.21, V.27ter, V.29 for T.38 fax relay
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
QoS	DiffServ, TOS, 802.1P/Q VLAN tagging
Network Protocols	TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN, LLDP
DTMF Method	Flexible DTMF transmission methods including in-audio, RFC2833, and/or SIP INFO
Signaling	SIP (RFC 3261) over UDP/TCP/TLS
SIP Server Profiles & Accounts Per System	4 distinct SIP server profiles per system and independent SIP account per telephone port
Provisioning	TFTP, HTTP, HTTTPS, TR069
Security	SRTP, TLS/SIPS, HTTPS, 802.1x
Management	Syslog, HTTPS, Web browser, voice prompt, TR-069
Universal Power Supply	Output: 12VDC, 5A; Input: 100 ~ 240VAC, 50 ~ 60Hz
Environmental	Operating: 0 °C ~ 40C Storage: -20°C ~ 60°C Humidity: 10% ~90% (non-condensing)
Electrical Protection	Over-voltage and over-current protection (ITU-T Reccomendation K.21, Basic Test Level)
Dimensions	440mm (L) x 185mm (W) x 44mm (H) (1U)
Mounting	Desktop and rack mount with front brackets
LED Indicators	Power, LAN Link/Activity, Hard Drive Activity
Short & Long Haul	2 REN, up to 1500ft on 24 AWG wire
Caller ID	Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods	Busy Tone, Polarity Reversal/Wink, Loop Current
Compliance	FCC: Part 15 (CFR 47) Class B CE: EN55022 Class B, EN55024, EN61000-3-2, EN16000-3-3, EN60950-1, RoHS C-TICK; AS/NZS CISPR 22 Class B, AS/NZS CISPR 24, AN/NZS 60950 ITU-T K.21 (Basic Test Level); UL 60950 (power adapter)