Business phone system Category leader
Nextiva
Cloud business phone with texting, video and optional contact center plans
Key features
- Auto attendant
- Voicemail transcription
- Business texting
- Softphone apps
Our picks · 5 tools reviewed
Best Business phone system software for 2026
Cloud phone service (VoIP/UCaaS) for business calls, extensions and messaging. Below: the names buyers expect to see, the newer tools gaining ground, and how their key features and prices compare. How we pick; nobody pays for a place here.
| Feature |
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|
|
|
|
|---|---|---|---|---|---|
| Pricing | $15/user/mo | $19/user/mo | Contact sales | $32/seat/mo | $15/user/mo |
| Best for | Small and mid-size teams of 10 to 200 that want one vendor for calls, texting, video and chat. | Startups and small service teams under 30 people that share one customer-facing number and live in a mobile app. | — | Small sales and service teams under 20 people that want AI call notes synced to a CRM. | Small teams under 25 that need local numbers in many countries on a tight budget. |
| Team size | 2–500+ people | 1–50 people | 2–500+ people | 1–50 people | 1–50 people |
| Auto attendant | Yes | Yes | Yes | Yes | Yes |
| Ring groups and forwarding | Not listed | Yes | Not listed | Yes | Yes |
| Voicemail transcription | Yes | Yes | Not listed | Yes | Yes |
| Business texting | Yes | Yes | Yes | Yes | Yes |
| Softphone apps | Yes | Yes | Yes | Yes | Yes |
| Number porting | Not listed | Yes | Not listed | Yes | Yes |
| Visit | Visit | Visit | Visit | Visit | Visit |
Category leaders
The best-known business phone system tools: the ones most buyers shortlist.
Business phone system Category leader
Quo
Shared business numbers with calls, texts and voicemail for small teams
Key features
- Auto attendant
- Ring groups and forwarding
- Voicemail transcription
- Business texting
- Softphone apps
- Number porting
Business phone system Category leader
RingCentral
Cloud phone, video and messaging platform for businesses of all sizes
Key features
- Auto attendant
- Business texting
- Softphone apps
Rising picks
Newer tools with real traction and a clear difference from the leaders.
Business phone system Rising
Allo
Mobile-first business phone with AI call summaries and receptionist
Key features
- Auto attendant
- Ring groups and forwarding
- Voicemail transcription
- Business texting
- Softphone apps
- Number porting
Business phone system Rising
Calilio
Low-cost business calling and SMS with numbers in 100+ countries
Key features
- Auto attendant
- Ring groups and forwarding
- Voicemail transcription
- Business texting
- Softphone apps
- Number porting