PHC Phú Quốc tự hào là đơn vị hàng đầu phân phối Cổng giao tiếp VOIP-E1 Grandstream GXW4504 tại Phú Quốc
-Sử dụng 4 luồng E1 với 120 cuộc gọi đồng thời.
-Hỗ trợ ISDN/ SS7/ R2 MFC.
-Hỗ trợ PRI, SS7, MFC R2.
-Hỗ trợ 2 cổng mạng Gigabit hỗ trợ Nat.
-Hỗ trợ 2 cổng USB, 1 khe cắm thể nhớ SD.
-Phù hợp kết nối tất cả các tổng đài điện thoại hỗ trợ SIP hoặc E1.
-Cầu nối giữa Viettel, Vnpt, CMC, FPT cung cấp siptrunk với các tổng đài Panasonic, Siemens, Cisco, Avaya…
-Hỗ trợ Automated provisioning by HTTP/TFTP with XML config files.
-Hỗ trợ upgrade via TFTP, HTTP, HTTPS or local HTTP upload.
-Hỗ trợ Device Management options: Syslog, HTTPS, web, TR069, backup/restore, port capture, packet capture.
-Các Codec: 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; Adds echo cancellation, jitter buffer and silence suppression.
Đặc tính kỹ thuật
Interfaces | |
E1 Interface | 4 RJ45 ports, supporting up to 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, 1.5A |
Dimensions | 485 x 190 x 46mm |
Weight | 2.380g |
-Sản phẩm chính hãng Grandstream của Mỹ.
-Sản xuất tại Trung Quốc.
-Bảo hành: 12 tháng.