– 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: 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: 30.625.000 ₫
Grandstream GXW4248 VoIP
Price: 30.625.000 ₫
Kho: Sẵn hàng
- 48 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LED
- Gigabit Ethernet and a backlit 128x32 graphic LCD display with support for multiple languages
- 2 SIP server profiles per system and independent SIP account per port
- Supported voice/fax codecs include G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax
- Advanced carrier grade 128ms-tail-length line echo cancellation
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
Liên hệ
Grandstream UCM6304 IP PBX
Liên hệ
Kho: Sẵn hàng
Description The Grandstream UCM6304allows businesses to build powerful and scalable unified communication and collaboration solutions. This series of IP PBXs provide a platform that unifies all business communication on one centralised network, including voice, video calling, video conferencing, video surveillance, web meetings, data, analytics, mobility, facility access, intercoms and more. The UCM6300 series supports up to […]
Price: 8.070.000 ₫
Grandstream UCM6300A IP PBX
Price: 8.070.000 ₫
Kho: Sẵn hàng
- Up to 250 Users, 50 concurrent calls, 50 max concurrent SRTP calls
- Up to 3 audio meeting rooms and up to 50 parties
- Free Wave App allows easy voice & Instant Messaging (IM) communications using desktops, Web, and Android/ iOS devices
- 320x240 Color LCD Display with Touch Screen for Shortcut Keys & Scroll Bar
Price: 10.450.000 ₫
Grandstream UCM6301 IP PBX
Price: 10.450.000 ₫
Kho: Sẵn hàng
- Supports up to 500 users
- Supports up to 75 concurrent calls
- Zero configuration provisioning of Grandstream SIP endpoints
- Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
Price: 18.250.000 ₫
Grandstream GXW4224 VoIP
Price: 18.250.000 ₫
Kho: Sẵn hàng
- 24 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LED
- Gigabit Ethernet and a backlit 128×32 graphic LCD display with support for multiple languages
- 2 SIP server profiles per system and independent SIP account per port
- Supported voice/fax codecs include G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax
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: 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