What Is On-Premise VoIP? (Complete Guide for 2026)
On-Premise VoIP is a business phone system where the VoIP software, PBX server, and equipment are hosted and managed inside your company’s own office. It allows businesses to make internet-based calls while maintaining full control over their phone system, security, customization, and data. In this guide, you’ll learn how On-Premise VoIP works, its key features,…