Grandstream GXW 4224

See also...

The GXW4216/24/32/48 is a next generation high performance high-density analog VoIP gateway that is fully compliant with SIP standard and interoperable with various VoIP systems, analog PBX and phones on the the market. It features multiple FXS analog telephone ports, superb voice quality, rich telephony functionalities, easy provisioning, flexible dialing plans, advanced security protection, and strong performance in handling high volume voice calls. The GXW42XX series gateway offers small and medium businesses a cost-effective hybrid IP and analog telephone system that allows them to enjoy the benefits of VoIP communications while preserving investment on existing analog phones, Fax machines and legacy PBX systems.

£499.99 ex VAT
£599.99 inc VAT.

Delivery and availability

In stock, Next day delivery as standard.

Features

GXW4216/24/32 x RJ11 FXS ports plus & 1/1/2 x 50 pin Telco connectors
GXW4248: 2 50 pin Telco connectors, as well as per port LED
Gigabit Ethernet and a backlit 128x32 graphic display with support for multiple languages
4 SIP Server profiles per system and independent SIP account per port
Supported voice/Fax codecs include G.711, G.723.1, G.726A/B, iLBC, T.38 Fax
Advanced carrier grade 128ms-tail-length G.168 line echo cancellation
Over-voltage and over-current protection(ITU-T, K.21)
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

Specification

Telephone Interfaces	GXW4216/24/32 x RJ11 FXS ports plus & 1/1/2 x 50 pin Telco connectors GXW4248: 2 50 pin Telco connectors
Network Interfaces	1 x 10M/100M/1000Mbps auto-sensing RJ45 port
Audio Codecs	G.711, G. 723, G.726 (40/32/24/16), G.729A/B/E, iLBC
LED Indicators	LAN Link, LAN Activity, Per Telephone port
LCD Display	Backlit 128x32 grpahic LCD display with support for multiple languages
Voice-over-Pack Capabilities	G.168 carrier grade line echo cancellation, dynamic jitter buffer, modem detection & auto-switch to G.711
Voice Compression	G.711, G.723, G.726, G.729 A/B, iLBC
Fax over IP	T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax Pass-through, Fax Datapump V.17, V.21, V27ter, V29 for T.38 fax relay
Telephony Features	Caller ID display or block, call waiting, blind or attended 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, flexible dial plan
QoS	DiffServ, TOS, 802.1P/Q VLAN tagging
Network Protocols	TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, PPPoE, STUN, LLDP
DTMF Method	Flexible DTMF transmission methods including In-audio, RFC2833, and /or SIP INFO
Singaling	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, HTTPS, TR069