Gateway Grandstream GXW-4500 Series

Gateway Grandstream GXW-4500 Series
3404

QUAN ĐIỂM TRONG KINH DOANH

SẢN PHẨM TỐT - GIÁ CẠNH TRANH - DỊCH VỤ HOÀN HẢO.

Quý khách chỉ thanh toán khi cảm thấy hài lòng sản phẩm & dịch vụ của Công Ty Viễn Thông Thành Phố cung cấp

TOÀN THỂ NHÂN VIÊN CÔNG TY VIỄN THÔNG THÀNH PHỐ LUÔN LUÔN LẮNG NGHE & PHỤC VỤ KHÁCH HÀNG TỐT NHẤT.

Giá: Liên hệ

Thông tin kỹ thuật

Cổng giao tiếp VOIP-E1 Grandstream GXW4500 Series 

-Cổng giao tiếp VOIP-E1 GXW4500 Series bao gồm các thiết bị: GXW4501, GXW4502, GXW4504.

-Sử dụng 1/2/4 luồng E1 với 30/60/120 cuộc gọi đồng thời.

-Hỗ trợ ISDN/ SS7/ R2 MFC.

Features

-Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router.

-Supports a wide- range of voice codecs, including Opus, G.722, G.729, iLBC, and more.

-TLS and SRTP security encryption technology to protect calls and accounts.

-Automated provisioning by HTTP/TFTP with XML config files.

-Supports T.38 Fax for creating Fax-over-IP.

-Supports multi- language voice prompts.


Thông tin chi tiết

Đặc tính kỹ thuật

Interfaces
Interface 1/2/4 RJ45 ports, supporting up to 30/60/120 simultaneous VoIP calls
Network Interfaces Dual self-adaptive Gigabit ports (switched or routed)
Peripheral Ports 2 USB 3.0, SD card interface
LED Indicators LAN, WAN, E1
LCD Display 128 x 32 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, iLBC, AAL2-G.726-32
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4 kpbs 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-band audio, RFC2833, and 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, PPP, Frame Relay (pending), IPv6, OpenVPN®
Status and statistic Call status and history, device status monitoring and ISDN status monitoring
Security
Media Encryption SRTP, TLS, HTTPS, SSH, 802.1X
User-defined ports SIP port, RTP port, HTTP/HTTPS port
Advanced Defense Fail2ban, alert events, Whitelist, Blacklist, strong password based access control
Physical
Mounting Rack mount & Desktop
Multi-Language Support Web UI: English, Simplified Chinese, Traditional Chinese, Spanish, French, Portuguese, German, Russian, Italian, Polish, Czech; Customizable IVR/voice prompts: English, Chinese, British English, German, Spanish, Greek, French, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic; Customizable language pack to  support any other languages
Compliance FCC: Part 15 (CFR 47) Class B, Part 68
CE: EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, TBR21, RoHS
RCM: AS/NZS CISPR 22, AS/NZS CISPR 24, AS/NZS 60950, AS/ACIF S002
ITU-T K.21 (Basic Level); UL 60950 (power adapter)
T1: TIA-968-B Section 5.2.4
E1: TBR4/TBR12/TBR13, E1: AS/ACIF
Temperature and Humidity Operating: 32 - 113ºF / 0 ~ 45ºC, Humidity 10 - 90% (non-condensing)
Storage: 14 - 140ºF / -10 ~ 60ºC, Humidity 10 - 90% (non-condensing)
Universal Power Supply Input: 100 ~ 240VAC, 50/60Hz; Output: DC+12V, 2A
Dimensions 485 x 191 x 46.2mm
Weight GXW4501: Unit Weight: 2,350g
GXW4502: Unit Weight: 2360g
GXW4504: Unit Weight: 2380g

-Sản phẩm chính hãng Grandstream của Mỹ.

-Sản xuất tại Trung Quốc.

-Bảo hành: 12 tháng.


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