Filter
Top Products
Grandstream Networks, Inc. GXW40XX User Manual Page 8 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
GXW40XX FEATURES
The GXW4000 series is a next generation IP voice gateway that is interoperable and compatible with
leading IP-PBXs, Softswitches and SIP platforms. The GXW4000 series FXS gateway is auto-
configurable, remotely manageable and scalable. The GXW4000 series gateways come in three models
- the GXW-4004,GXW-4008 and GXW4024, each offering superb voice quality, traditional telephony
functionality, easy deployment, and 4,8 and 24 FXS ports respectively. Each model features flexible
dialing plans, integrated call routing to support a pure IP network call and an external power supply.
SOFTWARE FEATURES OVERVIEW
• 4, 8 or 24 FXS ports
• Two RJ-45 ports (switched or routed) (one RJ-45 port in GXW4024)
• Multiple SIP accounts & profiles (4,8 or 24 accounts / choice of 3 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
T
ABLE 3: GXW40XX SOFTWARE FEATURES
GXW4004 GXW4008 GXW4024
Telephone Interfaces
4 FXS ports 8 FXS ports 24 FXS ports
SIP Provisioning
4 SIP accounts, 2 profiles 8 SIP accounts, 2 profiles 24 SIP accounts, 3 profiles
Network Interface
Two (2) 10M/100 Mbps,
RJ-45
Two (2) 10M/100 Mbps, RJ-
45
One 10M/100 Mbps LAN,
RJ-45
Voice over Packet
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
Voice Activity Detection
(VAD) with CNG (comfort
noise generation) and PLC
(packet loss concealment),
AEC with NLP Packetized
Voice Protoc
ol Unit
(supports RTP/RTCP and
AAL2 protocol), G.168
compliant Echo
Cancellation, Dynamic Jitter
Buffer, Modem detection &
auto-switch to G.711
Voice
Activity Detection
(VAD) with CNG (comfort
noise generation) and PLC
(packet loss concealment),
AEC with NLP Packetized
Voice Protocol Unit
(supports RTP/RTCP)
G.168 compliant Echo
Cancellation, Adaptive
Jitter Buffer, Fax/Modem
detection & auto-switch to
G.711
PSTN Fail-over
PSTN failover port on
power failure
PSTN failover port on power
failure
N/A
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.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
G.711 + Annex I (PLC),
Annex II (VAD/CNG
format) encoder and
decoder, G.723.1,
G.726(ADPCM with
16/24/32/40 bit rates),
G.729A/B/E, iLBC