Grandstream gxw-4004 Manuel D’Utilisation
Grandstream Networks, Inc.
GXW400x User Manual
Page 8 of 36
Firmware 1.0.1.8
Last Updated: 5/2008
GXW400
X
F
EATURES
The GXW400x is a next generation IP voice gateway that is interoperable and compatible with leading
IP-PBXs, Softswitches and SIP platforms. The GXW400x series FXS gateway is auto-configurable,
remotely manageable and scalable. The GXW400x gateway comes in two 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.
IP-PBXs, Softswitches and SIP platforms. The GXW400x series FXS gateway is auto-configurable,
remotely manageable and scalable. The GXW400x gateway comes in two 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
• 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
• 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
T
ABLE
3:
GXW400
X
S
OFTWARE
F
EATURES
GXW400x FXS Analog Gateway Series
Telephone Interfaces
GXW4004: 4 ports, 4 SIP accounts & choice of 2 profiles
GXW4008: 8 ports, 8 SIP accounts & choice of 2 profiles
FXS, RJ-11
Network Interface
Two (2) 10M/100 Mbps, RJ-45
LED Indicators
Power and Line LEDs
Voice over Packet
Capabilities
Capabilities
Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC
(packet loss concealment), AEC with NLP
Packetized Voice Protocol Unit (supports RTP/RTCP and AAL2 protocol),
G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modem detection
& auto-switch to G.711
(packet loss concealment), AEC with NLP
Packetized Voice Protocol Unit (supports RTP/RTCP and AAL2 protocol),
G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modem detection
& auto-switch to G.711
PSTN Fail-over
PSTN failover port on power failure
Voice Compression
G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder,
G.723.1A, G.726(ADPCM with 16/24/32/40 bit rates), G.729A/B/E, iLBC
G.726 provides proprietary VAD, CNG, and signal power estimation
Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock
synchronization), AGC (automatic gain control),
Status output, Decoder controlling via voice packet header
G.723.1A, G.726(ADPCM with 16/24/32/40 bit rates), G.729A/B/E, iLBC
G.726 provides proprietary VAD, CNG, and signal power estimation
Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock
synchronization), AGC (automatic gain control),
Status output, Decoder controlling via voice packet header
DHCP Server/Client
Yes, NAT Router or Switched Mode