---
title: OnSIP Reviews
meta_title: 'OnSIP Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter 28 reviews by the users' company size, role or industry to
  find out how OnSIP works for a business like yours.
aggregate_rating:
  rating_value: 4.1
  review_count: 28
  scale: '5'
date_modified: '2026-07-17'
parent_category:
  name: Collaboration & Productivity
  url: https://www.g2.com/categories/collaboration-productivity
---

# OnSIP Reviews
**Vendor:** OnSIP  
**Category:** [VoIP Providers](https://www.g2.com/categories/voip-providers)  
**Average Rating:** 4.1/5.0  
**Total Reviews:** 28
## About OnSIP
OnSIP is a leading provider of real-time communications (RTC) services to more than 100,000 customer accounts. OnSIP business VoIP customers enjoy the benefits of an on-demand phone system without the traditional high cost, burden, and inflexibility. The company also offers a cloud platform and simple APIs for developers to rapidly and affordably build RTC applications of their own.



## OnSIP Pros & Cons
**What users like:**

- Users praise OnSIP's **responsive and knowledgeable customer service** , which empowers them to solve issues efficiently. (1 reviews)
- Users praise the **extremely responsive customer support** of OnSIP for their knowledgeable and empowering assistance. (1 reviews)
- Users value the **quick response** of OnSIP's US-based support, finding them knowledgeable and empowering for problem-solving. (1 reviews)
- Users appreciate the **quick setup** of OnSIP, enhancing their experience with responsive customer support and immediate assistance. (1 reviews)
- Users praise the **exceptionally responsive customer support** of OnSIP, appreciating their knowledge and willingness to help swiftly. (1 reviews)

**What users dislike:**

- Users experience **performance issues** with OnSIP, facing frequent bugs and needing constant restarts on the desktop app. (1 reviews)
- Users experience **platform issues** with OnSIP, including bugs in the iPhone app and frequent desktop app restarts. (1 reviews)


## OnSIP Discussions
  - [How much does OnSIP cost?](https://www.g2.com/discussions/how-much-does-onsip-cost) - 1 comment
  - [How does OnSIP work?](https://www.g2.com/discussions/how-does-onsip-work) - 1 comment

- [View OnSIP pricing details and edition comparison](https://www.g2.com/products/onsip/reviews?page=2&section=pricing&secure%5Bexpires_at%5D=2026-07-20+17%3A20%3A52+-0500&secure%5Bsession_id%5D=a11f891e-ea23-42db-9f0b-68cd7064bbd7&secure%5Btoken%5D=5c2249d41b693a0440f2ccb8622b6083e4fc3c0462267e7774be976cd24a1e84&format=llm_user)

## OnSIP Features
**Platform Basics - VoIP Providers**
- PBX systems, VoIP Softphone
- Call Management
- Network monitoring
- Integrations
- Virtual PBX
- SIP trunking services

**Basic Communication**
- Phone Calls
- Video Calls
- Instant Messaging
- Screen Sharing
- Conference Calls
- Desk-to-Desk Calls

**Agentic AI - VoIP Providers**
- Autonomous Task Execution
- Cross-system Integration
- Adaptive Learning
- Proactive Assistance

**Access**
- Software Pairing
- Browser Extension
- Individual Download

**Advanced Features**
- Hold Music
- Automated Attendants
- VOiP Number

## Top OnSIP Alternatives
  - [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) - 4.4/5.0 (1,390 reviews)
  - [RingEX](https://www.g2.com/products/ringex/reviews) - 4.2/5.0 (1,379 reviews)
  - [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) - 4.3/5.0 (478 reviews)