Grandstream GXW400x User Manual - Manual (Page 15)

FIRMWARE VERSION 1.0.14.1 GXW400X USER MANUAL Page 13 of 60
GXW400X 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 two models -
the GXW-4004 and GXW-4008, each offering superb voice quality, traditional telephony functionality, easy
deployment, and 4 and 8 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 or 8 FXS ports

Two RJ-45 ports (switched or routed)

Multiple SIP accounts & profiles (4,8 / configurable through 2 profiles)

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
TABLE 3: GXW400X SOFTWARE FEATURES
GXW4004 GXW4008
Telephone Interfaces 4 FXS ports 8 FXS ports
SIP Provisioning 4 SIP accounts, 2 profiles 8 SIP accounts, 2 profiles
Network Interface Two (2) 10M/100 Mbps, RJ-45 Two (2) 10M/100 Mbps, RJ-45
Number of Concurrent Calls
(except when using SRTP)
4 Concurrent Calls 8 Concurrent Calls
Voice over Packet
Capabilities
Voice Activity Detection (VAD) with
CNG (comfort noise generation) and
Voice Activity Detection (VAD) with CNG
(comfort noise generation) and PLC