---
title: OpenScape 4000 Reviews
meta_title: 'OpenScape 4000 Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter reviews by the users' company size, role or industry to find
  out how OpenScape 4000 works for a business like yours.
date_modified: '2026-06-17'
parent_category:
  name: Collaboration & Productivity
  url: https://www.g2.com/categories/collaboration-productivity
---

# OpenScape 4000 Reviews
**Vendor:** Mitel Networks  
**Category:** [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)
## About OpenScape 4000
OpenScape 4000 delivers converged IP and TDM infrastructure that lets you migrate at your own pace—whether maintaining on-premises control, deploying VMware-based private cloud, or implementing hybrid configurations. This architectural flexibility protects your investment while supporting modern SIP-based communications and legacy digital endpoints simultaneously. Built on proven enterprise technology with active-standby dual node architecture, OpenScape 4000 ensures zero calls lost during system failovers while supporting up to 12,000 users on a single system. Mitel licensing enables seamless portability across the entire OpenScape solution family, protecting your software investment as business requirements evolve.






- [View OpenScape 4000 pricing details and edition comparison](https://www.g2.com/products/openscape-4000/reviews?section=pricing&secure%5Bexpires_at%5D=2026-06-26+07%3A26%3A21+-0500&secure%5Bsession_id%5D=36acb824-0e77-447d-84eb-276afb222f95&secure%5Btoken%5D=7d57966971db94d6b393c00f2bee0538e740afa6eb15069418356750c45027aa&format=llm_user)

## OpenScape 4000 Features
**Basic Communication - Cloud PBX**
- Call Management
- Communication Management
- Scalability
- Integrations
- Mobile Accessibility
- Accessibility

**Advanced Features - Cloud PBX**
- Security and Compliance
- Analytics and Reporting
- Support and Reliability
- Automated attendant

## Top OpenScape 4000 Alternatives
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