Grandstream

D3 Expansion Module

• 18 highly configurable, self-labelling, multicolored LED keys
• High-resolution black and white display with backlight
• Daisy-chain up to 3 modules (54 function keys)
• Plug and play
• Power supplied from phone via USB port 

D765 Desk Telephone

• Elegant design
• High-resolution color display
• 16 LED function keys 
• Wideband audio
• USB connectivity
• Gigabit switch 
• 12 SIP identities 
• Built-in Bluetooth compatibility

• High-resolution display
• Dual display
• 8 (32) configurable, self-labelling, multicolored LED keys
• Gigabit switch
• USB port
• Wideband audio
• 12 SIP identities

D725 Desk Telephone

• Elegant design
• 18 multi color function keys
• Wideband audio
• USB Port
• Gigabit switch
• 12 SIP identities
• VLAN support
• Warranty 2 years

D715 Desk Telephone

• Elegant design
• Four-line backlit B/W display
• Dual Stack IPv4 / IPv6
• WLAN ready
• Gigabit switch
• Wall mountable
• 5 configurable LED function keys
• 4 identities (lines)
• Wideband HD audio
• Power over Ethernet (PoE)
• XML Minibrowser
• USB Port

D7 Expansion Module

• Supports all 700 series telephones with USB ports
• High-resolution graphical display with backlight 
• 18 freely programmable multicolor LED function keys 
• Fully configurable via host phone 
• 18 highly configurable self-labelling LED keys 
• High-resolution black & white display with backlight
• Daisy chain up to 3 modules 
• Plug and play

• Supports 1080p Full HD video at 30fps
• USB 2.0 port offers plug and play setup, no software download/installation needed
• 2 built-in microphones offer a 1+ meter voice pickup range
• Compatible with all major third-party platforms, apps and softphones
• Adjustable video settings include brightness, resolution, saturation, contrast, low-light and more

• HD Audio for crystal clear and easy communication
• Noise canceling technology to minimize background noise 
• USB connection provides flexibility on any device with USB compatibility
• Offers an adjustable headband, in-line controls and left or right wearing style
• Compatible with any USB device, supports third party and Grandstream platforms, apps and softphone

• HD Audio for crystal clear and easy communication • Noise canceling technology to minimize background noise • USB 2.0 connection provides flexibility to support any device with USB compatibility • A busy light (GUV3005) to indicate a call in-progress • Adjustable leather headband for all day comfort; left or right wearing style • In-line controls offer quick and easy control of volume and mute • Compatible with all major third-party communication platforms, applications and softphones

• Supports 2 SIP profiles through 1 FXS port and 1 FXO port
• Dual 100Mbps LAN and WAN ports
• Lifeline support (FXS port will be hard-relayed to FXO port) in case of power outage
• 3-way voice conferencing per port