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Grandstream GXW4224

24 telephone FXS ports with both RJ11 and 50-pin Telco connectors
Gigabit Ethernet and a backlit 128×32 graphic LCD display
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

Grandstream GXW4248

48 telephone FXS ports with both RJ11 and 50-pin Telco connectors
Gigabit Ethernet and a backlit 128×32 graphic LCD display
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

Grandstream UCM6510 IP PBX

Enterprise-Grade Unified Communication Solution
IP PBXs allows businesses of all sizes to build powerful and scalable unified communication solutions in an easy-to-manage fashion with no licensing fees
Analog Telephone FXS Ports: 4 RJ11 Port
PSTN Line FXO Ports: 4 RJ11 Port
Users: 2000
Concurrent calls: 300
Max concurrent SRTP calls: 200
Video Conference: Up to 30
Voice Conference: Up to 120
Three self-adaptive Gigabit ports (switched, routed or dual card mode) with PoE+
1USB 2.0, 1USB 3.0, 1SD card interface
320×240 color LCD with touch screen for Shortcut Keys and Scroll Bar

Grandstream UCM6308 IP PBX

Enterprise-Grade Unified Communication Solution
IP PBXs allows businesses of all sizes to build powerful and scalable unified communication solutions in an easy-to-manage fashion with no licensing fees
Analog Telephone FXS Ports: 8 RJ11 Port
PSTN Line FXO Ports: 8 RJ11 Port
Users: 3000
Concurrent calls: 450
Max concurrent SRTP calls: 240
Video Conference: Up to 40
Voice Conference: Up to 160
Three self-adaptive Gigabit ports (switched, routed or dual card mode) with PoE+
1USB 2.0, 1USB 3.0, 1SD card interface
320×240 color LCD with touch screen for Shortcut Keys and Scroll Bar

Why You Should Upgrade Your Existing Analog Phone System To VoIP

The telecommunications industry has seen a lot of changes over the years, with PBX (Private Branch Exchange) technology leading the way. With PBX Phone Systems, organization team members are able…

Grandstream GRP2602W

Supports 2 lines, and 4 SIP accounts
Equipped with noise shield technology to minimize background noise
Supports 5-way audio conferencing
Dual Gigabit ports, integrated PoE
Swappable faceplate to allow for easy logo customization
GRP2602W includes built-in dual-band Wi-Fi support

Grandstream GRP2601P

2 lines, 2 SIP accounts
5-way audio conferencing for easy conference calls
Integrated PoE
Swappable faceplate to allow for easy logo customization

Grandstream GRP2634

8 lines, 4 SIP accounts
Integrated Bluetooth
Integrated dual-band Wi-Fi 802.11 a/b/g/n/ac (2.4GHz & 5GHz)
Supports 5-way audio conferencing
Dual Gigabit ports, integrated PoE
Swappable faceplate to allow for easy logo customization
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