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Softphone Software

OnSIP

Hosted VoIP business phone system with apps, video calling and a free softphone

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About OnSIP

OnSIP is a hosted VoIP provider that offers a cloud business phone system. It takes the place of an on-site PBX, with the provider running the infrastructure. Customers sign up on month-to-month terms.

What OnSIP offers

  • Cloud phone system — auto attendants, voicemail to email, call management and queue reporting.
  • Apps — HD voice and video calls on Android, iOS, Mac and Windows, with presence and click-to-dial.
  • Video conferencing — video chat and group calls.
  • Messaging — text and multimedia messaging.
  • Desk phones — included with its Unlimited plan, for teams of five or more.

Who it works with

Small and mid-sized businesses use it, and the company says it has well over 100,000 customers. It also points to an integration with Odoo.

Key facts

  • Reliability: cloud-based and colocation hosted, with a patented design
  • Awards: multiple customer service awards

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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