- 16/24/32 FXS ports, GXW4248 includes 2 50-pin Telco connectors
- 1 Gigabit network port
- 132x48 backlit graphic display with support for multiples languages
- 4 SIP server profiles per system, independent SIP account per port
- Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
- Advanced security protection with SRTP/TLS/HTTPS
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- Supports 2 SIP profiles and 8 FXS ports
- Strong AES encryption with security certificate per unit
- Automated & secure provisioning options using TR069
- 3-way voice conferencing per port
- Exceptional voice quality with wide-band HD codec
- Supports T.38 Fax for reliable Fax-over-IP
- Supports dual Gigabit network ports
- High performance NAT router
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- 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
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
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- Supports 2 SIP profiles through 2 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
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
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- Supports 2 SIP profiles through 2 FXS ports and a single 10/100Mbps port
- 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
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
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- Supports 1 SIP profile through a single FXS port and a single 10/100Mbps port
- 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
- Failover SIP server automatically switches to secondary server if main server loses connection
- Supports T.38 Fax for creating Fax-over-IP
- Supports a wide range of caller ID formats
- Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning
- Supports advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multilanguage prompts, flexible dial plan and more
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- Supports 2 SIP profiles through 1 FXS port and 1 FXO port
- Dual 100Mbps LAN and WAN ports
- Lifeline support (FXS port will be hardrelayed to FXO port)in case of power outage
- 3-way voice conferencing per port
- Automated & secure provisioning options using TR069
- Supports T.38 Fax for reliable Faxover-IP
- Failover SIP server automatically switches to secondary server if main server loses connection
- Strong AES encryption with security certificate per unit
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- Supports G.711µ/a, G.722 (HD-audio), G.726-32, G.729, GSM, iLBC, Opus and Speex codecs
- Security features include SIP over TLS and 128/256-bit SRTP
- Up to 6-way audio conference, and 24 virtual BLF keys
- Supports 6 SIP accounts
- Native integration with mobile devices including contact, call history and ringtones
- Enterprise features including IP PBX integration, BLF, call transfer/pickup, call recording with UCM, LDAP
- Automatic call forwarding based on time and location rules
- Full integration with Grandstream’s UCM-series of IP PBXs, including creation of QR code for automatic provisioning
- Voice channel switching between Bluetooth, earphone, speakerphone & 3.5mm headset
- Supports 2-way video calls based on SIP & H.264 video codec
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- 1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
- Dual-switched 10/100 mbps ports
- EHS support for Plantronics headsets
- Up to 500 contacts
- Call history up to 200 records
- Integrated PoE (on GXP1615)
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- 2 SIP accounts, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
- Dual-switched 10/100 mbps ports, integrated PoE on GXP1625
- HD audio on speakerphone and handset
- EHS support for Plantronics headsets
- Up to 500 contacts, call history up to 200 records
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- 2 SIP accounts, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
- HD audio on speakerphone and handset
- Dual-switched Gigabit ports, integrated PoE
- 8 dual-colored BLF/speed dial keys
- EHS support for Plantronics headsets
- Up to 500 contacts, call history up to 200 records
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- 3 SIP accounts, 3 line keys, 4-way conferencing, 3 XML programmable context-sensitive soft keys
- HD audio on speakerphone and handset
- Dual-switched Gigabit ports, integrated PoE
- 8 dual-colored BLF/speed dial keys
- EHS support for Plantronics headsets
- Up to 500 contacts, call history up to 200 records
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- 8 lines, 8 dual-color line keys (with 4 SIP accounts), 4 XML programmable context sensitive soft keys
- 32 digitally programmable & customizable BLF/fastdial keys
- HD wideband audio, fullduplex speakerphone with advanced acoustic echo cancellation
- 5-way audio conferencing for easy conference calls
- Dual-switched Gigabit ports (GXP1782) or dual-switched 10/100Mbps ports (GXP1780), integrated PoE
- Built-in USB port for importing and exporting data only
- Supports headset use with a RJ9 headset jack and EHS support for EHS-capable Plantronics headsets
- TLS and SRTP security encryption technology to protect calls & accounts and Kensington Security Slot support
- Large phonebook capacity with up to 2,000 contacts and call history with up to 500 records
- Use with Grandstream’s UCM series IP PBX appliance for Zero- Config provisioning, also supports automated provisioning using TR-069 or AES encrypted XML configuration file
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- 6 lines, 6 dual-color line keys (with 3 SIP accounts), 4 XML programmable contextsensitive soft keys
- 24 digitally programmable & customizable BLF/fastdial keys
- HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation
- 5-way audio conferencing for easy conference calls
- Dual 10/100 Mbps ports, built-in PoE
- Built-in USB port for importing and exporting data only
- Supports headset use with a RJ9 headset jack and EHS support for EHS-capable Plantronics headsets
- TLS and SRTP security encryption technology to protect calls & accounts and Kensington Security Slot support
- Large phonebook capacity with up to 2,000 contacts and call history with up to 500 records
- Use with Grandstream’s UCM series IP PBX appliance for Zero- Config provisioning, also supports automated provisioning using TR-069 or AES encrypted XML configuration file
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- Dual-band WiFi with efficient antenna design and advanced roaming support
- Bluetooth for syncing headsets and mobile devices (contacts and call transferring)
- HD voice & dual MIC design with AEC and Noise Shield Technology
- Rechargeable 1500mAh battery, 7.5 hour talk time, 150-hour standby
- Accelerometer and configurable button for push-to-talk, panic and other related functions
- Micro USB port and 3.5mm headset jack
- 2 SIP accounts, 2 lines
- Supports custom Android apps that fit the phone’s screen/keys
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- Supported by Grandstream's DP750 DECT Base Station
- 5 DP720 handsets are supported by each DP750
- Supports a range of 300 meters outdoors and 50 meters indoors from the DP750 base station
- Supports up to 10 SIP accounts per handset
- Full HD audio on both the speakerphone and handset
- 3.5mm headset jack, 3-way voice conferencing
- Automated provisioning options include TR-069 and XML config files
- DECT authentication & encryption technology to protect calls and account
