What Is the Best VoIP Phone for Business Users?
The best VoIP phone for most UK business users is the Yealink T54W — offering colour display, built-in Wi-Fi and Bluetooth, HD audio, and broad platform compatibility at approximately £130–£160. For executives, the Cisco 8845 adds video calling. For budget-conscious deployments, the Yealink T43U provides solid performance from around £90.
Nathan Hill-Haimes
Technical Director
Choosing the Best VoIP Phone for Business
The right VoIP desk phone for a business user depends on their role, how intensively they use the phone, whether they need physical mobility, and the VoIP platform they are on. This guide works through the key considerations and recommends specific models for different user profiles.
What to Look for in a Business VoIP Phone
Audio Quality
HD (wideband) audio is the minimum for a business IP phone. Look for phones that support G.722 codec (wideband voice) and full-duplex speakerphone. Acoustic noise cancellation helps in open-plan environments. Both Yealink and Poly have strong reputations for audio quality in their respective price brackets.
Display
A colour display makes navigating the phone easier and provides better visibility of status information. Entry-level phones have greyscale displays; mid-range and above are colour. Screen size ranges from 2.4" to 5" on executive models.
Line Capacity
The number of SIP accounts (line keys) determines how many simultaneous calls or monitored extensions the phone can handle. Most general office users need 2–4 lines. Reception positions benefit from 12–16 line keys. Expansion modules can add line capacity to supported phones.
Connectivity
Modern business IP phones include Ethernet passthrough (so the phone and a PC share one network cable), USB for headset support, and increasingly Bluetooth and Wi-Fi. Built-in Wi-Fi is useful where wired Ethernet is not convenient; Bluetooth enables cordless headsets.
Platform Compatibility
Most business IP phones support SIP, making them compatible with all major VoIP platforms. However, some phones are optimised for specific platforms: Cisco phones work best with Cisco UC; Yealink has native Teams-mode firmware; Poly devices integrate deeply with Teams and 3CX. If you are on a specific platform, check for native integration.
Best VoIP Phones by User Profile
General Office Staff
Recommended: Yealink T43U (£90–£120) — colour display, 12 SIP accounts, dual USB, compatible with all major VoIP platforms. Strong value for standard office use.
Power Users and Managers
Recommended: Yealink T54W (£130–£160) — 4.3" colour display, built-in Wi-Fi and Bluetooth, 16 SIP accounts, 27 programmable keys. Best overall mid-range option.
Executive Users
Recommended: Cisco IP Phone 8845 (£200–£250) — 5" colour display, built-in video camera, Bluetooth, HD audio. Suitable for executives using video calling and Teams.
Reception and Operator
Recommended: Yealink T57W or Cisco 7861 (£160–£220) — high line key capacity (16+), large display, expansion module support for additional BLF keys.
Budget Deployments
Recommended: Grandstream GXP2130 (£60–£80) — entry IP phone with 3 SIP accounts, colour display, and adequate audio quality for light use. Significantly cheaper than Yealink or Cisco equivalents.
New Phone or Softphone?
Before committing to hardware, consider whether a softphone app on a laptop covers the user's needs. For staff who already work primarily from a laptop, a softphone app (often included in the VoIP platform licence) eliminates hardware cost entirely. Physical phones make most sense for reception, high-call-volume users, and those who prefer physical call controls.
Need Help Choosing VoIP Hardware?
AMVIA advises on compatible VoIP phones for all major UK platforms and supplies hardware alongside system deployments.
Frequently Asked Questions
A VoIP phone (IP phone) connects to the network via Ethernet or Wi-Fi and communicates with a VoIP phone system using the SIP protocol. A regular phone connects to a PSTN or ISDN line via a standard telephone cable. VoIP phones do not work on traditional phone lines; regular phones do not work on VoIP systems (without an adaptor).
Yes. Many VoIP platforms support USB headsets connected directly to a laptop or PC running a softphone app. For contact centre and customer service environments, a quality USB headset (such as Jabra, Plantronics, or Sennheiser) paired with a softphone provides an excellent call experience at lower cost than a dedicated desk phone.
Some IP phones have Teams-certified firmware and work natively with Microsoft Teams Phone. Yealink and Poly offer Teams-mode IP phones. Standard SIP phones can be used with Teams via direct routing but operate in a different mode. If Teams Phone is your platform, a Teams-certified device provides the best integration.
Both are quality manufacturers with strong product lines. Yealink offers better value for money and broader SIP compatibility. Poly (formerly Polycom) has a strong heritage in audio quality and is particularly well-regarded for conference phones and speakerphone performance. For desk phones on standard SIP platforms, Yealink is typically the better choice on value. For Teams environments, both have strong certified device ranges.
VoIP phones are configured with SIP account details from your VoIP provider: SIP server address, username, and password. This can be done through the phone's web interface (accessed via browser using the phone's IP address) or through a provisioning URL that downloads configuration automatically. Most managed VoIP providers handle phone provisioning as part of the deployment process.
Well-built business IP phones from manufacturers like Yealink, Cisco, and Poly typically last 5–8 years with normal use. The main reason for replacement is not hardware failure but feature obsolescence — older phones may lack codec support or firmware updates needed for new platform features. Choosing a model from a manufacturer with an active firmware development commitment extends useful life.
Related Reading
Top 5 Business VoIP Phones | Hardware Guide for Business
AMVIA's guide to the top five VoIP desk phones for UK businesses — features and pricing.
Top DECT Cordless VoIP Phones | Business Guide
The best DECT cordless VoIP phones for business — range, features, and compatibility.
Top 5 Business VoIP Softphones | App Guide for Business
The best VoIP softphone apps for UK business users — features and pricing compared.