Side by side
Cannon VoIP vs OnSIP
Both stand on business phone systems. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid AndroidiPhoneMac+2
Cannon VoIP combines business communications and CRM functions in one cloud portal. Its Core plan starts at $34 a month per extension, with additional services available as separate plans or add-ons.
Visit Cannon VoIP Free plan AndroidiPhoneMac+2
OnSIP offers a free tier alongside paid calling and business phone features. The restriction on regular-number dialing for free SIP accounts is an important distinction when choosing a plan.
Visit OnSIPThe facts
| Cannon VoIP | OnSIP | |
|---|---|---|
| Free plan | No | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Mac, Web, Windows | Android, iPhone, Mac, Web, Windows |
| Lowest paid plan | Cloud eFax: $10 a month | Unlimited: $18.95 a month |
| Plans published | 6 | 4 |
| Maker | Cannon VoIP | OnSIP |
| Website | cannonvoip.com | onsip.com |
| On business phone systems | #127 of 174 | #8 of 174 |
Cannon VoIP: what it does well
- Combines phone, messaging, meetings, fax, and CRM
- Supports Android, iOS, macOS, web, and Windows
- Includes custom routing and auto attendant
- Searchable transcripts for recorded calls
- Offers numerous CRM and service integrations
What to know first
- No free plan
- Core plan requires two extensions
- International calls use destination pricing
- Heavy usage can add a $5 surcharge
OnSIP: what it does well
- Free plan supports up to 100 users.
- Free plan includes unlimited extensions.
- Integrations include Zendesk, HubSpot, and Odoo.
- Month-to-month contracts are available.
What to know first
- Free SIP accounts cannot dial regular phone numbers.
- Unlimited plan has a five-user minimum.
- Video conferences support up to five people.
Alternatives to Cannon VoIP Alternatives to OnSIP The whole list