Grandstream Networks GXW400x - Manual (Page 9)

Grandstream Networks, Inc. GXW-400x User Manual Page 9 of 39
Firmware 1.0.0.39 Last Updated: 5/2007
GXW–400 X F EATURES
The GXW–400x is a next generation IP voice gateway that is interoperable and compatible with leading
IP-PBXs, SoftSwitches and SIP platforms. The GXW–400x FXS series is auto-configurable, remotely
manageable and scalable. There are two FXS models, the GXW-4004 and GXW-4008, each offering
superb voice quality, traditional telephony functionality, easy deployment, and 4 or 8 FXS ports
respectively. Each model features flexible dialing plans, PSTN failover, integrated call routing to support
a pure IP network call and an external power supply.
S OFTWARE F EATURES O VERVIEW
• 4 or 8 FXS ports
• Two RJ-45 ports (switched or routed)
• Multiple SIP accounts & profiles (4 or 8 accounts / choice of 2 profiles per account)
• Supports
Voice Codecs:
G711(a/µ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B/E, iLBC
• T.38 Fax
• Comprehensive Dial Plan support for Outgoing calls.
• G.168
Echo Cancellation
• Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss
Concealment (PLC)
• Supports PSTN/PBX analog telephone sets or analog trunks