Before You Buy
Reviewed and Updated: October 17, 2026
Refurbished IP desk phones can be a cost-conscious option for replacing failed handsets, expanding an existing installation, or equipping a compatible hosted VoIP service. This guide compares the Poly VVX 250, Polycom VVX 501, and Yealink SIP-T46S, with attention to features, condition, provider compatibility, and support status.
Top phone choices for a hosted VoIP deployment should include a solid feature set, be durable and a have proven track record. An attractive phone with ease of navigation that will maintain your budget.
Before ordering, ask your hosted VoIP provider to approve the exact model and firmware version. Also confirm the seller’s testing process, return policy, included accessories, and whether the phone has been released from any previous provider’s provisioning system.
PoE or Power Supply. For a new deployment installing a PoE switch and using PoE phones has advantages. For home offices, or if you do not have a PoE switch, make sure to get phones that come with a power supply.
When choosing a cloud-based phone service there are a number of different IP phones to choose from. The Polycom VVX 501 and the Yealink T46S both offer advanced features and attractive navigation. The Polycom VVX 250 offers a value conscious user an option to keep prices very low without giving up necessary options. All three of our top three used phone choices offer outstanding quality, are easy to install and configure, and will keep your budget where it needs to be.
Refurbished IP Desk Phones: Quick Comparison
Compare the main features of the Poly VVX 250, Polycom VVX 501, and Yealink SIP-T46S before reading the individual reviews. When buying refurbished, consider provider compatibility, condition, warranty, and support status alongside the purchase price.
| Feature | Poly VVX 250 | Polycom VVX 501 | Yealink SIP-T46S |
|---|---|---|---|
| Lines supported | 4 | 12 | 16 |
| Display | 2.8-inch color display, 320 × 240 | 3.5-inch color touchscreen, 320 × 240 | 4.3-inch color display, 480 × 272 |
| Ethernet connections | Two Gigabit Ethernet ports | Two Gigabit Ethernet ports | Two Gigabit Ethernet ports |
| USB ports | One | Two USB 2.0 ports | One |
| Main attraction | A compact, straightforward option for everyday office calls. | Touchscreen navigation and more line capacity than the VVX 250. | A larger display and configurable keys for handling calls. |
| Consider it for | Office users who do not need a large number of lines. | Replacing or expanding an existing compatible VVX installation, particularly when users prefer a touchscreen. | Replacing an existing T46S or evaluating a feature-rich refurbished option for an approved platform. |
| Important buying check | Confirm that four lines meet your needs and that your provider supports the exact model and firmware. | Check touchscreen condition, current support status, and provider provisioning requirements. | Check current support status and compare the total cost with a newer supported alternative. |
| Power and accessories | Confirm whether you will use Power over Ethernet (PoE) or need a separate compatible power adapter. Check that the handset, handset cord, and desk stand are included. | ||
| Refurbished purchase checks | Ask about testing, cosmetic condition, administrator access, release from previous provider provisioning, warranty coverage, and the return policy. | ||
Before ordering: Ask your hosted VoIP provider to approve the exact phone model and required firmware. A phone being available for sale does not establish that your provider will activate or support it. Verify the seller's listing details and current manufacturer support status before purchasing.
Individual Refurbished IP Phone Reviews
Polycom VVX 501
- 12 Line appearances
- 3.5" 320 x 240 color LCD touch screen
- 2 RJ45 10/100/1000 Ethernet ports
- 2 USB 2.0
Features and Limitations
Polycom's VVX 501, a premium business media phone with a color 3.5” LCD screen is designed for UC management. With a touch screen interface, the 501 also serves as an application platform and supports the use of expansion modules to show which co-workers are on the phone. With integration with Microsoft Outlook calendar users can access their schedules while talking to a client.
The intuitive menu design is built upon behavior common to mobile phones and navigation is easy and comfortable which reduces new users need for training. Deployment of these phones is easy and when matched with a top rated hosted VoIP provider, the phones will be up and employees will be back to work in no time.
Buying Recommendation
Polycom VVX 501 is intuitive and users will like the navigation. The speakerphone delivers high quality voice without echo or distortion.
Poly VVX 250
- 4 Lines
- 2.8" 320 x 240 color LCD screen
- 2 RJ45 Gigabit Ethernet ports
- Built-in USB port
Features and Limitations
The Poly VVX 250 business IP phone has exceptional voice quality and
have been tested for compatibility for most hosted VoIP companies. Ergonomically attractive with a color
screen users will find these phones offer the most widely used features
offered, intuitively reducing the time invested learning how to navigate features and functions. While on the phone "Fence technology"
keeps their business conversations free from extraneous noises,
echoes
and distractions.
Buying Recommendation
The Poly VVX 250 Business IP phone is an outstanding value with most of the features you'd want. For those looking to keep down costs on a new hosted VoIP installation the VVX 250 is a top choice. With excellent voice quality and Fence technology to make conversations even better it is a great choice for a small office or a large company environment.
Yealink SIP‑T46S
- 16 Lines
- 4.3" color LCD 480 x 272 High Resolution screen
- Dual-port Gigabit Ethernet
- Built-in USB port
Features and Limitations
Yealink's T46S phone offers a faster, quick response interface. It incorporates Optima HD voice technology and the Opus wide-band codec for crystal clear voice quality. The speakerphone has been improved in the T46S and also incorporates "hearing aid compatible" (HAC), so that a person with hearing loss can hear more clearly.
Yealink's T46S is has a user interface optimized for a smart-phone user experience and the soft keys can easily be customized. Up to six expansion modules can be attached, for as many as 240 additional buttons.
Buying Recommendation
Yealink's T46S phone is well priced, well designed and offers a slew of features. Elegant and ergonomically efficient, users will find that this phone offers crystal clear communications and will be a great choice for their hosted VoIP deployment.
NOTE: The Yealink SIP-T46U keeps the familiar 4.3-inch color display and general layout, but adds two USB ports, improved headset and accessory options, updated security capabilities and newer firmware management.
Choosing the Right Refurbished IP Phone
Refurbished IP phones can offer value for businesses replacing handsets, expanding an existing system, or keeping equipment costs down. The Poly VVX 250, Polycom VVX 501, and Yealink SIP-T46S are worth comparing based on the features your users need, the condition of each phone, and the seller’s warranty. Before purchasing, confirm that your cloud PBX provider supports the exact model and required firmware, and check its current manufacturer support status. The best bargain is a phone that meets your needs and can be reliably deployed, not simply the one with the lowest price.
Frequently Asked Questions About Refurbished IP Phones
Are refurbished IP phones a good value for a business?
Refurbished IP phones can be worth considering when replacing failed handsets, expanding an existing installation, or equipping a compatible hosted VoIP service on a limited budget. Compare the total purchase cost, included accessories, warranty, and support status with a newer phone. A low price alone does not make an older model the best choice.
Will a refurbished IP phone work with any hosted VoIP provider?
No. Before buying, ask your provider to approve the exact model and required firmware version. Also confirm whether the provider offers automatic provisioning, requires manual configuration, or will help troubleshoot a phone purchased from a third-party seller. Do not assume that every SIP phone is fully supported by every cloud PBX service.
What should I check before buying a refurbished desk phone?
Ask the seller about testing, cosmetic condition, included accessories, administrator access, warranty coverage, and returns. Confirm that the phone is unlocked and has been released from any previous provider's provisioning system. Your provider should also confirm that the model can be activated on its service.
What is the difference between a used and a refurbished IP phone?
Do not assume the terms describe the same preparation or warranty. Ask what the seller means by refurbished: which functions were tested, whether worn or faulty parts were replaced, and what condition you should expect. Evaluate the seller's actual testing and return terms rather than relying on the listing label alone.
Do refurbished IP phones include a power adapter?
Check the individual listing. Do not assume a power adapter is included. If you intend to power the phone through a compatible Power over Ethernet (PoE) switch, confirm that arrangement before ordering. Otherwise, make sure you receive or purchase the correct power adapter for the exact model.
Can I use an IP phone that was previously connected to another provider?
Possibly, provided the phone is compatible with your new service and can be reconfigured. Ask the seller to confirm that the phone is unlocked, that administrator access is available, and that any previous automatic provisioning assignment has been removed. Do not rely on a factory reset alone as proof that the phone is ready to activate with a different provider.
Does a refurbished IP phone include hosted VoIP service?
Treat the handset purchase and phone service as separate items unless the offer explicitly includes both. Ask your chosen provider about service charges, activation requirements, and any fees for setting up a phone purchased elsewhere.
Should I buy a discontinued IP phone?
A discontinued model may be worth considering as a replacement for an existing compatible installation, but check its current support status before purchasing. Being available online does not mean that the manufacturer still provides security updates or that your hosted VoIP provider will support it. For a new installation, compare the savings with the support available for a newer model.
Which of these three refurbished phones should I choose?
Consider the Poly VVX 250 if you need a straightforward four-line office phone, the Polycom VVX 501 if you prefer touchscreen navigation, or the Yealink SIP-T46S if you want a larger display and more line capacity. These feature differences are only a starting point: provider approval, current support status, condition, and warranty should determine whether a particular purchase makes sense.
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