Best Unlocked Phones in 2026

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3.5" TFT Display (320 x 240) 12 lines or speed dial keys

HD Voice up to 7KHz on all audio paths, Asian character support

High Definition Audio Technology - Corded Voice Over IP Phone - 2200-12375-001

Voice Over Internet Protocol (VoIP) - Session Initiation Protocol (SIP)

Up To 2-Lines w/ Up To 2 Calls Per Line / 102x33 Graphical LCD Display

Robust interoperability - Compatible with a broad array of sip call platforms to maximize voice quality and feature Availability, while simplifying management and Administration

Flexible configuration options - Provides multi-unit connectivity and expansion microphones, and integrates with Polycom HDX, to meet the needs of many different types of rooms

Polycom HD voice - software and hardware technology brings lifelike Audio clarity, making your conference calls more efficient and productive - built-in power over Ethernet (PoE). an optional a/C power kit also available

Conference Phone Flexibility: Video conferencing and content sharing can be easily added, ensuring future-proof flexibility. And USB and Bluetooth are built in—so feel free to bring your own device.

Outstanding Audio: Hear every inflection, without the distracting background noise. Room filling audio up to 22kHz (clarity of voice) with industry leading full duplex, echo cancellation, and noise reduction with intelligent processing for superior audio quality. Microphones tuned for larger rooms, up to 20 foot pick-up range.

Touch Display: 5 inch color touch display puts familiar easy-to-use icons and user controls at your fingertips.

Audio Quality: Everyone on the call will have clear, interruption-free conversations with acoustic echo cancellation and background noise suppression. HD Voice with wideband audio delivers voice clarity for a richer and more natural sound

Wireless Convenience: Get everything you love about a desk phone with the freedom to move around the office, with an indoor range of up to 165ft (50m) and an outdoor range of up to 980ft (300m). Transfer, forward, hold, put it on speaker or set it to do not disturb. Customize calls with distinctive incoming call treatment or hop on a local three-way conferencing session. Convenient call park and push-to-talk paging make it easy to connect your customer to the right person

Lines: Multiple line support for handsets. Up to 8 simultaneous calls and up to 8 lines per handset

Single pair 24 AWG wiring up to 1,000 Ft (300 m) between door station and controller for easy new or retrofit installations

Flush or surface mount (i.e., dual gang) weather-resistant enclosure

Choose Stainless Steel or Brass Faceplate; Both are included

10 - NeuPo One Piece 48v Power Supply for Polycom Phones. Office or Home Use

Replacement Power Supply for VVX 101, 201, 300, 301, 310, 311, 400, 401, 410, 411, 500, 501, 511, 600, 601, 611, 1500

Power Supply for SoundPoint IP 560, and SoundPoint IP 670

DESIGNED FOR MORE DESKPHONES: DON’T BUY IT FOR CELL PHONES & COMPUTERS. This RJ9 phone headset only compatible with some specific landline Phone Models in description like Polycom ShoreTel Avaya NEC Mitel Allworx Plantronics Toshiba Zultys InterTel Siemens ROLM Aastra Packet8,etc. For other phones, please feel free to consult us for compatibility guide and advice.

WIDE COMPATIBILITY:The Polycom VVX series telephone headset can be directly connected to Polycom SoundPoint 300 301 335 430 450 500 (rev. E or later) 501 550 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX310 VVX400 VVX410 VVX500 VVX600 VVX1500 Avaya 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 56205621 5625 9404 9406 9408 9504 9508 IP phones(Note: Not for Avaya: J139 J169 1608 1616 9608G 9611G 9620 9621G 9630 9640 9640G 9641G and 9650 IP Phones).

HIGH-QUALITY AUDIO EXPERIENCE: Made for clear calls, the call center landline headset is engineered with noise-canceling microphone and enhanced voice clarity technology, which ensure loud and clear communication for call centers, offices and home phones even in noisy environment.

LIVE USA-BASED TECH SUPPORT We will assist you with complete setup of your new system as well as custom system configuration. Easy, plug-n-play do it yourself installation.

NEVER LOSE A CALL. Complete mobility features allow automatic call forwarding of your office calls to your cell phone - just one way to enjoy this robust system that is loaded with features such as voice mail to email, call waiting, caller ID and more. Additionally, a dedicated standard app will allow you to use your cell phone as an extension of your office phone system. A great standard feature that will save you time money when you're traveling outside your office.

CHOOSE PHONE COMPANY LINES and/or VoIP phone Lines. The system supports connections of up to 2 standard telephone lines and the use of 12 SIP VoIP lines. 2 FXS ports allow for connections to standard cordless extensions or fax machines. Supports up to 16 concurrent calls. It also supports the use of remote, off-premises extensions with complete system functionality.

Brand New - Individually Boxed

Black Color

Official The VoIP Lounge brand - Look for The VoIP Lounge logo on the box

Premium Audio: Enjoy natural conversations, interruption-free with full-duplex audio. Make sure every voice is heard clearly with automatic gain control. Count on audio clarity in any size space with echo and reverb cancellation

Block Background Noise: Enjoy distraction-free meetings with Poly NoiseBlockAI, which eliminates non-speech background noise

Convenience: Start a meeting in seconds with one-touch join and simplify scheduling with Outlook calendar integration. Cater to any size meeting with optional expansion microphones (sold separately) or by daisy-chaining multiple systems together

4.3” color LCD (480x272 pixel resolution)

12 line keys & 4 soft keys

In-call keys: call transfer, hold and voicemail

Headset for Multiple VoIP Phones: BUT NOT FOR CELL PHONES & COMPUTERS. This office telephone headset with RJ9 headset jack is only compatible with some specific Landline Deskphone Models in description like Avaya Polycom ShoreTel NEC Mitel Allworx Plantronics Toshiba Zultys InterTel Siemens ROLM Aastra Packet8,etc. For other phones and models, please check them in the Product Description for compatibility list below.

RJ9 Headset Compatibility: Callez corded VoIP Phone Headset is compatible with Avaya 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434DX 4406D+ 4412D+ 4424D+ 4424LD+ 1120 1140 1165 1210 1220 1230 1408 1416 2410 2420 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 56205621 5625 9404 9406 9408 9504 9508 DT1 DT3 DT5 QE4610 landline phones. [NOT for Avaya J139 J169 1608 1616 9608G 9611G 9620 9621G 9630 9640 9640G 9641G and 9650 IP Phones]

Comfortable for All-day Wearing: Over-the-head Binaural Wearing Style, Lightweight Plastics Design, Soft Leatherette Ear Cushions, 330°Rotatable Microphone and Adjustable Headband to fit any head size. Acoustic Shock Protection Circuit for hearing protection to make you a full working day without discomfort.

Polycom,,IP Phone