– 48 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
– Advanced carrier grade 128ms-tail-length line echo cancellation
Price: 30.625.000 ₫
*Giá trên chưa bao gồm VAT*
Kho: Sẵn hàng
The Grandstream GXW4248 is a next generation high performance high-density VoIP gateway that is fully compliant with SIP standards and broadly interoperable with various VoIP systems, analog PBX and phones on the market. The GXW4248 features 48 FXS analog telephone ports, superb voice quality, rich telephony functionalities, easy provisioning , flexible dialing plans, advanced security protection, and excellent performance in handling high volume voice calls.
The Grandstream GXW4248 analog gateway offers small-to-medium businesses a cost-effective hybrid IP and analog telephone system that allows them to enjoy the benefits of VoIP communications while preserving investment on existing analog phones, fax machines and legacy PBX systems.
– 48 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
– Advanced carrier grade 128ms-tail-length line echo cancellation
– Over-voltage and over-current protection (ITU-T K.21 Basic Test Level)
– Support VMWI, NEON LED and stutter tone for message waiting indication
– Automated provisioning using TR-069 or AES encrypted XML configuration file; TLS/SRTP/HTTPS for advanced security and privacy protection
FXS Ports | 48 FXS |
Ethernet Ports | 1 RJ45 10/100Mbps RJ45 |
PSTN Line Port | 2×50-pin Telco connectors |
LED indicators | LAN Link, LAN Activity, Connection Per Telephone Port |
LCD display | Backlit 128 x 32 graphic LCD display with support for multiple languages |
Voice Compression | G.711, G.723.1, G.726 , G.729 A/B, iLBC |
Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax pass-through, Fax data pump V.17, V21, V.27ter, V.29 for T.38 fax relay |
Telephony Feature | Caller ID display or block, call waiting, blind or attended call transfer, call forward, do not disturb, 3-way conference, last call return, paging, message waiting indicator LED (NEON LED) support and stutter tone, auto dial |
QoS | DiffServ, TOS, 802.1P/Q VLAN tagging |
Network Protocols | TCP/ UDP, RTP/ RTCP, HTTP/ HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN, LLDP (pending) |
DTMF Method | Flexible DTMF transmission methods including In-audio, RFC2833, and/or SIP INFO |
Signaling | SIP (RFC 2361) over UDP/ TCP/ TLS |
SIP Server Profiles & Accounts Per System | 4 distinct SIP server profile per system and indepentent SIP account per telephone port |
Security | Support for SRTP, TLS/ SIPS, HTTPS, 802.1x |
Management | Syslog, HTTPS, Web brower, voice prompt, TR-069 |
Power Input | Input: 100 ~ 240VAC, 50 ~ 60Hz
Output: 12 VDC, 5A |
Compliance | FCC, CE |
Dimension | 440 x 255 x 44 mm |
Weight | 3.21 kg |
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: 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: 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: 39.375.000 ₫
Grandstream UCM6510 IP PBX
Price: 39.375.000 ₫
Kho: Sẵn hàng
- Supports up to 2000 users and 200 SIP trunk accounts, up to 200 concurrent calls and up to 64 conference attendees
- 1GHz quad-core Cortex A9 processor
- 1GB DDR3 Ram, 32GB Flash
- 1 Integrated T1/E1/J1 interface, 2PSTN trunk FXO ports, 2 analog telephone/Fax FXS ports with lifeline capability
Liên hệ
Grandstream UCM6308 IP PBX
Liên hệ
Kho: Sẵn hàng
- Supports up to 3000 users
- Supports up to 450 concurrent calls
- Zero configuration provisioning of Grandstream SIP endpoints
- Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
- Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions
- API available for third-party integrations, including CRM and PMS platforms
Liên hệ
Grandstream GXW4504 VoIP
Liên hệ
Kho: Sẵn hàng
- 4x E1/T1/J1 RJ45 port supporting up to 120 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: 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: 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: 6.500.000 ₫
Grandstream GXW4104 VoIP
Price: 6.500.000 ₫
Kho: Sẵn hàng
- 4 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