User's Manual

Table Of Contents
Page | 17
GXW450X User Manual
Version 1.0.0.6
LED Indicators
WAN, LAN, T1/E1/J1
LCD Display
128x32 dot matrix graphic LCD with DOWN and OK buttons
Reset Switch
Yes, long press for factory reset and short press for reboot
Voice & video Capabilities
Voice-over-Packet
Capabilities
LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier
grade Line Echo Cancellation, Dynamic Jitter Buffer, Modem detection &
auto-switch to G.711
Voice and Fax Codecs
G.711 A-law/U-law, G.722, G.723.1 5.3K/6.3K, G.726, G.729A/B, Opus,
iLBC, GSM-FR, AAL2-G.726-32
Fax over IP
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711
for Fax Passthrough, Fax data pump V.17, V.21, V.27ter, V.29 for T.38 fax
relay.
Voice-quality
Enhancement
Echo cancellation (G.168-2004), Jitter buffer, Silence suppression (VAD,
CNG), PLC
QoS
Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
Signaling & Control
DTMF Methods
In-audio, RFC2833 and/or SIP INFO
Digital Signaling
SIP (RFC 3261) over UDP/TCP/TLS, PRI, SS7, MFC R2, RBS (pending)
PRI switch types: Euro ISDN, nation, Q.SIG
CAS: MFC R2 (Argentina, Brazil, China, Czech Republic, Colombia,
Ecuador, Indonesia, ITU, Mexico, Philippines, Venezuela)
SS7: ITU, ANSI, China
Upgrade
Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload
Device Management
Syslog, HTTPS, Web browser, voice prompt, TR-069 management, backup
and restore, port capture and packet capture
Network Protocols
TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH,
HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP,
Frame Relay (pending), IPV6, OpenVPNĀ®
Status and statistic
Call status and history, device status monitoring and ISND status monitoring