– 4x E1/T1/J1 RJ45 port supporting up to 120 simultaneous VoIP calls
– 128×32 dot matrix graphic LCD Display with DOWN and OK buttons
– Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
– Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
Liên hệ
*Giá trên chưa bao gồm VAT*
Kho: Sẵn hàng
The Grandstream GXW4504 E1/T1 Digital VoIP Gateway allows digital PSTN and ISDN trunks to be integrated with VoIP networks. By connecting the Grandstream GXW4504 with a VoIP network and a traditional PBX or E1/ T1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network.
– 4x E1/T1/J1 RJ45 port supporting up to 120 simultaneous VoIP calls
– 128×32 dot matrix graphic LCD Display with DOWN and OK buttons
– Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
– Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
– 2x USB Ports
– 1x SD Card Interface
– Supports a wide- range of voice codecs, including Opus, G.722, G.729, iLBC, and more
– Echo cancellation (G.168-2004), Jitter buffer, Silence suppression (VAD, CNG), PLC
– 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
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 |
Price: 43.500.000 ₫
Grandstream GXW4502 VoIP
Price: 43.500.000 ₫
Kho: Sẵn hàng
- 2x E1/T1/J1 RJ45 port supporting up to 60 simultaneous VoIP calls
- 128x32 dot matrix graphic LCD Display with DOWN and OK buttons
- Software configurable E1/T1/ J1 ports, support PRI, SS7, MFC R2
- Dual Gigabit auto- sensing RJ45 network ports with integrated NAT router
Price: 30.250.000 ₫
Grandstream UCM6304A IP PBX
Price: 30.250.000 ₫
Kho: Sẵn hàng
- Supports up to 1000 users and up to 150 concurrent calls
- Zero configuration provisioning of Grandstream SIP endpoints
- Built-in Instant Messaging (IM), Audio Conferencing & Web Meetings platform that supports access from computers, mobile devices, and SIP endpoints
- Free Wave App allows easy voice & Instant Messaging (IM) communications using desktops, Web, and Android/ iOS devices
- API available for third-party integrations, including CRM and PMS platforms
Price: 18.250.000 ₫
Grandstream UCM6302 IP PBX
Price: 18.250.000 ₫
Kho: Sẵn hàng
- Supports up to 1000 users
- Supports up to 150 concurrent calls
- Zero configuration provisioning of Grandstream SIP endpoints
- Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
Price: 58.800.000 ₫
Xorcom CXR2047 IP
Price: 58.800.000 ₫
Kho: Sẵn hàng
– Supports up to 200 IP extensions and 85 concurrent calls
– E1/T1 PRI, E1 R2, or T1 CAS Module
– Fully supports PRI/ R2/ CAS ISDN
– NT/TE settings for each channel
– Indicator lights for active settings and line status, per channel
– Support E1/ T1 (configurable)
– 64GB SSD cache, 320GB hard drive
– Size: Standard 19 inches 2U
Price: 3.000.000 ₫
Grandstream HT814 VoIP
Price: 3.000.000 ₫
Kho: Sẵn hàng
- Supports 2 SIP profiles through 4 FXS ports and dual Gigabit ports
- Includes a built-in NAT router which can handle routing speeds up to 100MBps
- TLS and SRTP security encryption technology to protect calls and accounts
- Automated provisioning options include TR-069 and XML config files
- Supports 3-way voice conferencing
Price: 4.680.000 ₫
Grandstream License UCM connect, 50/8
Price: 4.680.000 ₫
Kho: Sẵn hàng
- License to connect remote machines via the Grandstream cloud
- Connect 50 phones for 8 concurrent calls
Price: 8.750.000 ₫
Grandstream GXW4108 VoIP
Price: 8.750.000 ₫
Kho: Sẵn hàng
- 8 RJ11 FXO ports for connecting analog PSTN (POTS) to your VoIP system
- 2 10/100 Mbps network ports
- Comprehensive codec support, caller ID, flexible dial plans and security protection
- Advanced security protection with SRTP
Price: 8.500.000 ₫
Synway SMG1008C-8O VoIP
Price: 8.500.000 ₫
Kho: Sẵn hàng
8 FXO; 2 10/100 Mbps auto-sensing Ethernet RJ45; Warranty: 12 months
Price: 69.600.000 ₫
XORCOM CXE2000 IP
Price: 69.600.000 ₫
Kho: Sẵn hàng
- 500 IP extensions
- 250 concurrent calls
- Supports 1-stream E1-PRI connection, PSTN input gateway (FXO), analog extension gateway (FXS), Softphone on smartphones and PCs (Option purchased separately)
- Full features: Recording, displaying numbers, conferencing...
- 2 10/100/1000 network ports
- 64Gbyte SSD cache, 320Gbyte hard drive (allows 1Tbyte hard drive expansion), supports RAID1 (Dual Hard Drive)
- Standard 19" 2U rack connection