– 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: 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: 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: 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: 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: 23.000.000 ₫
Grandstream GXW4232 VoIP
Price: 23.000.000 ₫
Kho: Sẵn hàng
- 32 FXS ports
- 2x50-Pin Telco Connector
- 1 Gigabit network port
- 132x48 backlit graphic display with support for multiples languages
- LED Indicators - LAN Link, LAN Activity, Connection Per Telephone Port
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: 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
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
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