Equip your busy office or call center with the highly versatile Poly VVX 250 4-Line IP Desk Phone and enjoy clear full-duplex HD calls. Supporting up to four lines and up to 16 SIP line registrations, this desktop phone allows you to quickly manage your calls. Context-sensitive soft keys provide quick access to functions such as transfer, conference, and call park while you're on a call.

Up to 16 line key assignments for lines, contacts, and features are supported. Poly HD Voice, Poly Acoustic Fence, and Poly Acoustic Clarity technologies help to ensure your calls are crystal clear. The 2.8" color LCD display helps you keep track of your calls and waiting voicemail messages. This IP desk phone connects to your network through its dual PoE compatible Gigabit Ethernet ports, which can transfer both data and power over a single cable. Or you can use the included power adapter. An included adjustable bracket allows you to mount the phone onto a desk or wall. Other features include Electronic Hook Switch (EHS) support and a USB-A 2.0 port for compatible headsets and storage drives. The included hardware allows you to mount the phone onto a wall.

4 x Line Keys | 16 x SIP Registrations    2.8" Color LCD Screen    2 x Gigabit Ethernet Ports    1 x USB-A 2.0 Port    Context-Sensitive Soft Keys    Desk & Wall Mountable    Electronic Hook Switch (EHS) Compatible    Poly HD Voice    Poly Acoustic Fence    Poly Acoustic Clarity

Poly HD Voice enhances your audio to deliver lifelike voice quality, whether you're using the handset, speakerphone, or an optional headset.

Poly Acoustic Fence technology removes background noise when using the handset or a wired headset.

With Poly Acoustic Clarity technology provides you with full-duplex conversations, acoustic echo cancellation, and background noise suppression.

Install the Poly Computer Audio Connector app to your Windows PC to play audio through your desk phone and to use it as a microphone.

• Dedicated RJ9 headset port
• Hearing aid compatibility to ITU-T P.370 and TIA 504A standards
• Compliant with ADA Section 508 Subpart B 1194.23 (all)
• Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids
• Compatible with commercially available TTY adapter equipment

Related Questions and Answers

Q: 1. Will a Manfrotto lanc that works with an xf605 also work if plugged into the lanc port of a c70 to control this zoom motor?

A: The Canon PZ-E2 Power Zoom Adapter is not compatible with the same LANC cable used with the Canon XF605 Camcorder.

Q: 2. Can you provide Accessories for the 20-Pin port? Specifically, which zoom rocker switches can control this servo to/from stop?

A: The Canon PZ-E2B Power Zoom Adapter is only for zooming the RF 24-105mm f/2.8 L IS USM Z Lens. It does not stop or start video. It works with; Zoom Servo Grip ZSG-C10, BH #CAZSGC10 (https://bhpho.to/3Rhg5BR) Zoom Demand ZSD-300D/380D, BH #CAZSD300D (https://bhpho.to/3Xe1sDn) Focus Demand FPD-400D, BH #CAFPD400D (https://bhpho.to/3Vcn4xd)

Q: 3. Does this have to be removed to mount camera to a tripod or gimbal? Will the Canon Connect zoom feature work with the 77d?

A: To the first question: No, no need to be removed to attach the camera to a tripod.Not familiar with the 77D but this works directly with the lenses not the camera.

Q: 4. How to pair PZ-E1 with BR-E1?

A: The Canon BR-E1 Wireless Remote Control does not operate or control the Canon PZ-E1 Power Zoom Adapter. The BR-E1 Wireless Remote Control will trigger compatible cameras with infrared remote capability, while the PZ-E1 Power Zoom Adapter can be used remotely via mobile devices running the Canon Camera Connect app or Mac/Windows computers with EOS Utility software.

Q: 5. Will this power zoom adapter work when used with other cameras like the new R5 Mark II for example?

A: Yes, the Canon PZ-E2 Power Zoom Adapter will work with the RF 24-105mm f/2.8 L IS USM Z Lens when attached to the Canon EOS R5 Mark II Mirrorless Camera.

Q: 6. Will this have a arri rosette attachment for the ZSG-C10 Servo Grip similar to the 18-80 c-ne lens?

A: The PZ-E2B Power Zoom Adapter, mounts with the proprietary built in screws. There are no additional parts.

Q: 7. Does this work with any lens or just this one?

A: When I bought mine (mid-2017) I was told Canon plans to make more lenses in the future that will support it.

Q: 8. If I attach this adapter to my 24-105mm f/2.8 and attach that to my R5m2, would I be able to control the zoom with the BR-E1?

A: Yes, the Canon PZ-E2 Power Zoom Adapter is compatible with the Canon BR-E1 Wireless Remote Control when the power zoom device is connected to the Canon RF 24-105mm f/2.8 L IS USM Z Lens (Canon RF) on the Canon EOS R5 Mark II Mirrorless Camera.

Q: 9. What is the difference between the mz and pz function?

A: MZ is manual zoom, and PZ is power zoom.

Q: 10. Will this zoom device and the new lens EF-S 18-135mm IS USM work with my Canon 70D?

A: yes, the Power zoom adaptor mounted on 18-135mm USM will work on any canon crop sensor body. Remote controlling via wifi will only work with Eos 80D for now.