Sangoma PBXact is a great choice for an enterprise phone system for several reasons:

1. Scalability: PBXact can support a large number of extensions, making it suitable for organizations of any size.

2. Ease of use: PBXact is designed to be user-friendly and easy to navigate, even for non-technical users.

3. Advanced features: PBXact offers advanced features such as call recording, call routing, voicemail-to-email, and more, making it a powerful tool for any organization.

4. Customization: PBXact can be customized to fit the specific needs of your organization, allowing you to create a phone system that works for you.

5. Support: Sangoma offers excellent customer support, with a team of experts available to assist you with any issues or questions you may have.

Overall, Sangoma PBXact is a reliable, feature-rich phone system that can help organizations of any size improve their communication and collaboration capabilities.