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Grandstream GXW4004

details: VoIP Gateway
hardware type: VoIP Gateway
date added: 2011-04-22
updated: 2015-12-13
The GXW4004 features 4 FXS interfaces for analog telephones, dual 10/100Mbps network ports with integrated router, PSTN life line in case of power failure, and an RS232 serial port for administration.

It supports up to 2 SIP account profiles and a variety of VoIP features, such as Adaptive Jitter Buffer, 3-way conferencing and Voice Activity Detection (VAD).
 
 
 
 GXW4004 Features
 General
 Availability: currently available
 Street price: $116
 LAN / WAN Connectivity
 WAN ports: 1
 WAN port(s) type: 10/100 Base-TX (RJ-45)
 WAN port auto cross-over: yes
 LAN ports: 1
 LAN ports type: 10/100 Base-TX (RJ-45)
 LAN ports auto cross-over: yes
 RJ-11 FXS VoIP phone ports: 4
 Serial port: yes
RS-232 port for system configuration
 Router
 NAT routing: yes
 Multihomed: yes
 DHCP server: yes
 DHCP client: yes
 ToS / DiffServ: yes
 MAC Address clone: yes
 Routing Protocols: VLAN tagging (802.1q)
 VoIP
 VoIP Protocols: SIP v2 (RFC 3261)
RTP / RTCP (RFCs 1889/1890)
T.38 (Fax over IP)
 VoIP Audio Codecs: G.711 (PCM)
G.723.1
G.726
G.728
G.729 (a/b)
G.729e
iLBC (Internet Low Bitrate Codec)
 VoIP Voice Features: Echo Cancellation (G.165/G.168)
Adaptive Jitter Buffer
3-way conferencing
Call waiting
Call transfer
Voice Activity Detection (VAD)
Comfort Noise Generator (CNG)
 Device Management
 Default IP address: 192.168.2.1
 Default admin username: n/a
 Default admin password: admin
 Administration: Web-based (LAN)
Remote configuration (WAN)
Telnet / CLI
TFTP (RFC 1350)
 Firmware upgradeable: yes
 Configuration backup/restore: yes
 Event log: yes
 Misc hardware info
 NTP client: yes
 Links
 Product page: http://www.grandstream.com/products/gate...
 Datasheet: http://www.speedguide.net/images/hardwar...
 Manual: http://www.speedguide.net/images/hardwar...
 Quick Install Guide: http://www.speedguide.net/images/hardwar...

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