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Best Telephony Software in 2026

Telephony software provides business calling features such as phone numbers, extensions, call routing and related messaging. This list is for people comparing cloud or software-based phone systems for work.

29 apps
Research read 28 Sept 2026
How the order is worked out

1

3CX
by 3CX
Free plan WebWindowsLinux+3

7.7 Free plan · paid from $300/yr Visit site
2

CloudTalk AI Voice Agent
by CloudTalk AI Voice Agent
Free plan AndroidAPIiPhone+4

CloudTalk pairs automated call handling with escalation to human agents and a range of integrations.

7.6 From $99/mo · 14-day trial Visit site
3

Issabel
by Issabel
Free plan AndroidAPILinux+2

Issabel provides a broad open-source communications platform with PBX, contact-center, and integration features.

7.5 Free plan · paid from $8.33/mo Visit site
4

VitalPBX
by VitalPBX
Free plan AndroidAPIExtension+6

VitalPBX offers a free plan alongside three paid plans, with features including custom call routing and voicemail transcription.

7.0 Free plan · paid from $100/mo Visit site
5

Zadarma
by Zadarma
Free plan WebWindowsMac+2

Zadarma combines business calling features with web and device apps. Compare the listed plan allowances carefully, since they differ by plan.

6.9 Free plan · paid from $39/mo (annual) · 7-day trial Visit site
6

Dialpad Connect
by Dialpad Connect
Free trial AndroidiPhoneMac+2

Dialpad Connect combines business calling with chat, meetings and AI-generated call notes across devices. Review the plan details and request pricing as needed, since no plan prices are listed.

6.5 14-day trial Visit site
7

JustCall Sales Dialer
by JustCall Sales Dialer
Free trial AndroidAPIExtension+4

Choose JustCall Sales Dialer if your team needs lead prioritization, multiple dialing modes, and call outcome follow-up in one sales calling tool.

6.4 From $49/user/mo (annual) · 14-day trial Visit site
8

Nextiva
by Nextiva
Free trial AndroidAPIExtension+5

Nextiva combines business calling with messaging, meetings, and collaboration features across its plans. The listed monthly options begin at $15 a month, and there is no free plan or trial.

6.3 From $15/user/mo Visit site
9

NFON Cloudya
by NFON Cloudya
Free trial AndroidAPIiPhone+3

Cloudya combines business calling features with web, desktop, and mobile access.

6.3 From €6.80/user/mo Visit site
10

sipgate team

Free plan iPhoneLinuxMac+2

6.3 Free plan · 30-day trial Visit site
11

Placetel
by Placetel
Free trial AndroidAPIiPhone+3

Placetel combines a broad business phone feature set with desktop, mobile, browser, and API access. Its 30-day trial and tiered support let teams evaluate the service before choosing a paid plan.

6.2 From €6.90/user/mo · 30-day trial Visit site
12

Quo
by Quo
Free trial AndroidAPIiPhone+3

Quo combines business calling across desktop and mobile platforms with call routing and voicemail features.

6.2 From $15/user/mo (annual) · 7-day trial Visit site
13

Aircall
by Aircall
Paid WebWindowsMac+2

Choose Aircall if your business needs a calling service with routing, attendant, and voicemail transcription features across desktop and mobile platforms.

6.1 From $30/user/mo (annual) · 7-day trial Visit site
14

Ringover
by Ringover
Free trial AndroidAPIExtension+5

Ringover provides business calling features across a broad set of platforms. Its entry prices come with minimum-user and annual-commitment requirements, so those terms matter when selecting a plan.

6.1 From $15/user/mo (annual) · 7-day trial Visit site
15

SIP.US Cloud SIP Trunking

Free trial AndroidAPIiPhone+1

SIP.US provides cloud trunking for existing PBX systems, with channel-based calling, call records, and failover options.

6.1 Visit site
16

GoTo Connect

Paid AndroidiPhoneMac+2

GoTo Connect spans business phone features, customer messaging, and contact center tools.

6.0 Pricing on request Visit site
17

Grasshopper
by Grasshopper
Paid WebWindowsMac+2

Grasshopper offers a clear progression from one-user calling to unlimited-user plans with more numbers and extensions.

6.0 From $14/mo · 7-day trial Visit site
18

Telavox Phone System
by Telavox Phone System
Free trial AndroidiPhoneMac+2

Telavox provides a broad business phone system with routing, recording, integrations, and flexible deployment options.

6.0 Pricing on request Visit site
19

Intermedia Unite
by Intermedia Unite
Paid AndroidiPhoneMac+2

Intermedia Unite combines broad communications features with business integrations, security controls, and two main plan levels.

5.9 From $27.99/user/mo Visit site
20

MightyCall
by MightyCall
Paid AndroidiPhoneMac+1

MightyCall combines business calling, team controls, dialers, and CRM integrations across major desktop, mobile, and browser platforms.

5.8 From $20/user/mo (annual) · 7-day trial Visit site
21

Ooma Office
by Ooma Office
Paid WebWindowsMac+2

Ooma Office combines business calling features with desktop and mobile access across five platforms.

5.8 From $19.95/user/mo Visit site
22

Zoom Phone
by Zoom Phone
Free trial AndroidiPhoneLinux+2

Choose Zoom Phone if you need a cloud phone system with routing tools, voicemail transcription, and connected communications across multiple platforms.

5.8 From $10/user/mo Visit site
23

Phone.com
by Phone.com
Paid WebWindowsMac+2

Phone.com combines business calling features with desktop, mobile, and browser access. Its paid-only structure and annual starting price should be considered before choosing a plan.

5.7 From $15/user/mo (annual) Visit site
24

Yeastar P-Series Cloud Edition
by Yeastar P-Series Cloud Edition
Free trial AndroidAPIExtension+4

Yeastar P-Series Cloud Edition covers calling, contact-center communication, integrations, and multiple client types in one service.

5.6 30-day trial Visit site
25

VirtualPBX
by VirtualPBX
Paid WebWindowsiPhone+1

VirtualPBX provides core business phone features with desktop and mobile applications.

5.5 From $15/user/mo · 14-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free-plan access, trial terms, paid starting prices, calling features and supported platforms. Check auto attendants, call recording, business SMS/MMS, international calling, free-plan extensions, calling endpoints and the licence if you need to read or change code.

Questions

Do telephony tools offer free plans?

A free plan is offered by tools on this list. Check the individual entry for its free-plan terms and included features.

Can I try a telephony tool before paying?

A free trial is offered by tools on this list. Trial length, limits and payment terms can differ, so review the entry before starting.

Which platforms are covered?

The list covers tools running on iOS, Android, Windows, web, macOS and through an API.

What phone features should I compare?

Compare auto attendants, call recording, business SMS/MMS, international calling, extensions on free plans and calling endpoints.

How should I check pricing?

Review the free-plan status, trial availability, “Paid from” value and any pricing note shown for the tool.

Questions

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