--- 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: '2026-08-10' parent\_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity ---

# OpenScape 4000 Reviews & Product Details

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.

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Seller
[Mitel Networks](https://www.g2.com/sellers/mitel-networks-01d2c63e-d7d9-47b7-9278-bf4db28c95a9)
Discussions
[OpenScape 4000 Community](https://www.g2.com/products/openscape-4000/discuss)

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View All Alternatives
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##### Pricing

Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more.

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