VitalPBX 4.5.3 R1 introduces AI Voice Agents, Asterisk 20.18.2, improved PJSIP networking settings, firewall optimizations, and multiple system fixes.
Learn how PBX systems route calls using VoIP/SIP in 2026. Compare PBX types, key features, security, costs, and VitalPBX benefits.
VitalPBX 4.5.2 R1 introduces Asterisk 20.17.0, expanded Yealink support, faster real-time monitoring, GUI updates, and key fixes for provisioning and reports.
Guide to PBX phone systems in 2025 – compare on-premise vs cloud, key features, costs, and how to modernize business communications.
Discover the essential PBX security best practices for 2025 and learn how to protect your business phone system from evolving cyber threats.
Is VoIP right for your business in 2025? Discover the benefits, key features, and expert tips for switching to a modern phone system in this complete guide.
