---
description: Side-by-side comparison of OnSIP vs CommPeak VoIP Service. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: OnSIP vs CommPeak VoIP Service Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [VoIP Software](/directory/30940/voip/software) > [OnSIP \<span\>vs\</span\> CommPeak VoIP Service](https://www.capterra.co.uk/compare/158706/207820/onsip/vs/commpeak-voip-service)

# Compare OnSIP vs CommPeak VoIP Service

Canonical: https://www.capterra.co.uk/compare/158706/207820/onsip/vs/commpeak-voip-service

> Detailed comparison between OnSIP and CommPeak VoIP Service. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | OnSIP | CommPeak VoIP Service |
| **Overall rating** | 4.7/5 | 4.7/5 |
| **Total Reviews** | 78 | 59 |
| **Starting Price** | US$18.95 | - |
| **Free Trial** | Yes | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat |
| **Training** | Live Online, Webinars, Documentation | Live Online, Documentation, Videos |

## Best for

### OnSIP

Customize your VoIP communications with OnSIP’s easy-to-use solution. Add features when you need. No Contracts Required. Award-winning, US-based support. Free phones for 5+ Users. Free  trial.

### CommPeak VoIP Service

Suited for companies running international calling who need high-quality voice connectivity, budget control, and scalable channel capacity.

## Key features

### OnSIP

- API
- Access Controls/Permissions
- Activity Dashboard
- Activity Tracking
- Alerts/Notifications
- CRM
- Call Centre Management
- Call Monitoring
- Call Recording
- Call Reporting
- Call Routing
- Call Tracking
- Caller ID
- Customisable Reports
- Online Voice Transmission
- Real-Time Analytics
- Real-Time Monitoring
- Reporting & Statistics
- SIP Trunking
- Third-Party Integrations

### CommPeak VoIP Service

- API
- Access Controls/Permissions
- Activity Dashboard
- Activity Tracking
- Alerts/Notifications
- CRM
- Call Centre Management
- Call Monitoring
- Call Recording
- Call Reporting
- Call Routing
- Caller ID
- Customisable Reports
- Online Voice Transmission
- Real-Time Analytics
- Real-Time Monitoring
- Reporting & Statistics
- SIP Trunking
- Third-Party Integrations

## Links

- [View OnSIP Profile](https://www.capterra.co.uk/software/158706/onsip)
- [View CommPeak VoIP Service Profile](https://www.capterra.co.uk/software/207820/commpeak-voip-service)
- [View Original Comparison](https://www.capterra.co.uk/compare/158706/207820/onsip/vs/commpeak-voip-service)

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