- 3.5" B&W LCD Display - Classic 12-key keypad - Built-in 3-microphone array - 12-foot (3.7-meter) microphone pickup range (Up to 5 participants) - USB-A Port - Bluetooth - Wi-Fi (2.4GHz & 5GHz)...

- 5-inch capacitive touch color LCD screen (720 x 1280) - Built-in 3-microphone array - 20-foot (6-meter) and 360-degree microphone pickup range (8+ participants) - USB-A and Micro-USB Ports - Bluetooth 5.0...

- 5-inch capacitive touch color LCD screen (720 x 1280) - Built-in 3-microphone array - 20-foot (6-meter) and 360-degree microphone pickup range (8+ participants) - USB-A and Micro-USB Ports - Bluetooth 5.0...

- Touch screen 7" multi-touch LCD display - 4 megapixel camera - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - Wi-Fi (2.4Ghz & 5Ghz) - PoE...

- Touch screen 7" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - Wi-Fi (2.4Ghz & 5Ghz) - PoE powering

- Touch screen 7" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - Wi-Fi (2.4Ghz & 5Ghz) - PoE powering

- Touch screen 5" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - PoE powering

- Touch screen 5" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - 2 USB ports (Type A + C) - Bluetooth 4.2 - PoE powering

- Touch screen 5" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - One USB port (Type A) to connect a headset - PoE powering

- Touch screen 5" multi-touch LCD display - Poly audio technology - Two Gigabit Ethernet ports - One USB port (Type A) to connect a headset - PoE powering

- Wireless stereo headset - Over-the-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Busylight and incoming call notifications - Bluetooth...

- Wireless stereo headset - Over-the-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Busylight and incoming call notifications - Bluetooth...

- Wireless stereo headset - On-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Aluminium slider arm - Busylight and incoming call notifications...

- Wireless stereo headset - On-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Aluminium slider arm - Busylight and incoming call notifications...

- Wireless mono headset - On-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Aluminium slider arm - Busylight and incoming call notifications...

- Wireless mono headset - On-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Aluminium slider arm - Busylight and incoming call notifications...

- Corded stereo headset - On-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Aluminium slider arm - Busylight and incoming call notifications...

- Corded mono headset - On-ear headband - Headband cushion foam and silicone covered - Ear cushion audio foam and leatherette covered - Aluminium slider arm - Busylight and incoming call notifications -...

- Control Unit accessory for Engage 50 - Optimized for Unified Communication - USB-C connectivity - Optional Skype for Business version (use drop-down menu)

- Control Unit accessory for Engage 50 - Optimized for Unified Communication - USB-A connectivity - Optional Skype for Business version (use drop-down menu)

- Stereo sound and super wideband - 3-microphone system - Customizable status lights - USB-C connectivity - For Softphone (Skype, Xten, eyeBeam,...), on PC/MAC by USB Plug

- Super wideband - 3-microphone system - Customizable status lights - USB-C connectivity - For Softphone (Skype, Xten, eyeBeam,...), on PC/MAC by USB Plug

- 8 BRI - 16 VoIP Calls or 8 SIP-SIP calls - 8 Transcoded Calls - High Precision 5ppm Clock - 2x Gig Ethernet - 1x USB port - SN5531/8BIS16VHP/EUI: 8 X ISDN BRI/S0 ports

- 4 BRI - 8 VoIP Calls or 4 SIP-SIP calls - 4 Transcoded Calls - High Precision 5ppm Clock - 2x Gig Ethernet - 1x USB port - SN5531/4BIS8VHP/EUI: 4 X ISDN BRI/S0 ports

- 2 BRI - 4 VoIP Calls or 4 SIP-SIP calls - 2 Transcoded Calls - High Precision 5ppm Clock - 2x Gig Ethernet - 1x USB port - SN5531/2BIS4VHP/EUI: 2 X ISDN BRI/S0 ports

- 1 E1/T1 PRI - High Precision 5ppm Clock - 1x Gig Ethernet - 1x USB port - SN4171/1E30VHP/EUI: 30 VoIP Calls NOT upgradeable

- 1 E1/T1 PRI - High Precision 5ppm Clock - 1x Gig Ethernet - 1x USB port - SN4171/1E15VHP/EUI: 15 VoIP Calls upgradeable to 30

- 1 E1/T1 PRI - High Precision 5ppm Clock - 1x Gig Ethernet - 1x USB port - SN4171/1E15VHP/EUI: 15 VoIP Calls NOT upgradeable

- 16 VoIP Calls or 4 SIP-SIP calls - 1x Gig Ethernet - 1x USB port - High Precision 5ppm Clock - SN4131/8BIS16VHP/EUI: 8 X ISDN BRI/S0 ports

- 8 VoIP Calls or 4 SIP-SIP calls - 1x Gig Ethernet - 1x USB port - High Precision 5ppm Clock - SN4131/4BIS8VHP/EUI: 4 X ISDN BRI/S0 ports

- 4 VoIP Calls or 4 SIP-SIP calls - 1x Gig Ethernet - 1x USB port - High Precision 5ppm Clock - SN4131/2BIS4VHP/EUI: 2 X ISDN BRI/S0 ports

- World-class speakers and HD voice - Superior ANC and integrated busylight - Dual Bluetooth connectivity - For Softphone on PC/MAC and/or Smartphone by Bluetooth - Optional Skype for Business version (use...

- Freedom to multitask - Stay in the zone and avoid interruptions - Always connected - For Softphone on PC/MAC and/or Smartphone by Bluetooth - Optional Skype for Business version (use drop-down menu)

- Freedom to multitask - Stay in the zone and avoid interruptions - Always connected - For Softphone on PC/MAC and/or Smartphone by Bluetooth - Optional Skype for Business version (use drop-down menu)

- Stay in the zone and avoid interruptions - Find inspiration between calls - Flexible connectivity - For Softphone on PC/MAC by USB or Smartphone by mini-jack - Optional Skype for Business version (use...

- Stay in the zone and avoid interruptions - Find inspiration between calls - Flexible connectivity - For Softphone on PC/MAC by USB or Smartphone by mini-jack - Optional Skype for Business version (use...

- Flexible connectivity - Manage calls easily - Plug-and-play connectivity - For Softphone on PC/MAC by USB or Smartphone by  mini-jack - Optional Skype for Business version (use drop-down menu)

- Flexible connectivity - Manage calls easily - Plug-and-play connectivity - For Softphone on PC/MAC by USB or Smartphone by  mini-jack - Optional Skype for Business version (use drop-down menu)

- Great sound for calls and music - Call control unit for managing calls - Plug-and-play connectivity - For Softphone (Skype, Xten, eyeBeam,...), on PC/MAC by USB Plug - Optional Skype for Business version...

- Great sound for calls and music - Call control unit for managing calls - Plug-and-play connectivity - For Softphone (Skype, Xten, eyeBeam,...), on PC/MAC by USB Plug - Optional Skype for Business version...

- Up to 100m/330ft range - 3x wireless density - Advanced noise-cancelling microphone - Enhanced speakers with intelligent volume control - Up to 9 hours talk time - Integrated busylight - Connect up to...

- Up to 150m/490ft range - 3x wireless density - Advanced noise-cancelling microphone - Enhanced speakers with intelligent volume control - Up to 13 hours talk time - Integrated busylight - Connect up to...

- Up to 150m/490ft range - 3x wireless density - Advanced noise-cancelling microphone - Enhanced speakers with intelligent volume control - Up to 13 hours talk time - Integrated busylight - Connect up to...

- Up to 100m/330ft range - 3x wireless density - Advanced noise-cancelling microphone - Enhanced speakers with intelligent volume control - Up to 9 hours talk time - Integrated busylight - Connect up to...

- Up to 150m/490ft range - 3x wireless density - Advanced noise-cancelling microphone - Enhanced speakers with intelligent volume control - Up to 13 hours talk time - Integrated busylight - Connect up to...

- Up to 150m/490ft range - 3x wireless density - Advanced noise-cancelling microphone - Enhanced speakers with intelligent volume control - Up to 13 hours talk time - Integrated busylight - Connect up to...

- 2" TFT (178x220) color display with LCD backlit - Support for HDVoice (G.722) - Range: 50m(165ft) indoor/300m (980ft) outdoor - 10 hours talk time, 100 hours standby - Belt clip available - Dedicated 2.5...

- 2" TFT (178x220) color display with LCD backlit - Support for 4 simultaneous calls - Support pairing up to 5 DECT handsets - Support for HDVoice (G.722) - Range: 50m(165ft) indoor/300m (980ft) outdoor -...

- For VVX 500 ou VVX 600 - H.264/H.263 video encoding - 2Mbps max transmit bitrate - 720p at 30 fps

- For Polycom VVX 300/310, 400/410, 500, 600 - 4.3" TFT (480 x 272) LCD screen - 28 illuminated bi-color programmable line keys - 3 Page View soft keys to access additional contacts

- For Polycom VVX 300/310, 400/410, 500, 600 - 40 multifunctional line keys configurable - Dual-color (red or green) illuminated LEDs

- Large (4.3”) TFT (480 x 272) capacitive touch-screen - Up to 16 line appearances/speed dials - Hard Keys: 12-key keypad, home, speaker, mute, volume, headset - Streaming media video playback - Video...

- 3.5” (9-cm) TFT (320 x 240) - Up to 12 line appearances - Immersive capacitive touch UI - Streaming media video playback - Video conferencing via optionnal external USB cam - 2 x Ethernet 10/100/1000 -...

- 3.5" TFT (320 x 240) - 12 lines or speed dial keys - HD Voice up to 7KHz - 2 x Ethernet 10/100 or GigE (VVX410 ) - Hard Keys: 12-key dial pad, home, speaker, mute, headset, volume, messages, hold, transfer...

- 3.5" TFT (320 x 240) - 12 lines or speed dial keys - HD Voice up to 7KHz - 2 x Ethernet 10/100 or GigE (VVX410 ) - Hard Keys: 12-key dial pad, home, speaker, mute, headset, volume, messages, hold, transfer...

- Backlit grayscale graphical LCD (208 x 104) - 6 line or speed dial keys - HD Voice up to 7KHz - 2 x Ethernet 10/100 or GigE (VVX 310) - Hard Keys: 12-key dial pad, home, speaker, mute, headset, volume,...

- Backlit grayscale graphical LCD (208 x 104) - 6 line or speed dial keys - HD Voice up to 7KHz - 2 x Ethernet 10/100 or GigE (VVX 310) - Hard Keys: 12-key dial pad, home, speaker, mute, headset, volume,...

- 2 line - 132x64 monochrome backlit LCD - Polycom HD Voice up to 7 kHz - 2 x ethernet 10/100 - Hard Keys: 12-key dialpad, home, speaker, mute, headset, volume - 4-way navigation cluster with center...

- 1 line - Basic LCD screen - G.722 support up to 7 kHz - 10/100 ethernet port - Hard Keys: 12-key dialpad, home, speaker, mute, headset, volume - 4-way navigation cluster with center “select” key - IEEE...

- Strong durability - All day wearing comfort - Flexible (bendable) microphone boom arm construction - Noise cancelling microphone - Select cord type using the drop-down menu (if any doubt: please tell us...