Good prompts aren't longer. They're clearer. In Part 2 of our Prompt Engineering with 3CX series, learn how to build more reliable AI Agents, optimize prompts for realtime voice AI and avoid common prompting mistakes. Link in bio. #3CX #AIAgents #PromptEngineering #VoiceAI

Turn your phone system into a strategic asset. Optimize daily operations with 3CX AI Edition. Get accurate call transcription, 24/7 smart routing, and automated summaries to help your team work smarter. Link in bio.

Editing your AI Agent's system prompt? Longer doesn't mean better. Learn how to write clearer instructions, reduce token usage, avoid contradictions and improve AI performance with practical prompt engineering tips. 🤖 Link in bio.

🚀 New in 3CX Softphone V5.6 Beta! Receptionists can now override office hours directly from the Softphone, IT admins gain flexible deployment options with command-line arguments, and Poly headset users benefit from improved device support and reliability. Plus, we've included several fixes to improve stability and usability. Read our full blog and try the latest beta today.

This release focuses on strengthening security, improving stability and resolving issues affecting daily use. Join the Android Beta program and try it today. Link in bio.

This update focuses on improving reliability and fixing issues affecting everyday use. Enhancements include voicemail status handling, chat display fixes for certain languages, and improved BLF destination management. Join the TestFlight program, try the latest beta and share your feedback with the team. Link in bio.

A newly disclosed HTTP/2 denial-of-service vulnerability affects multiple web servers, including nginx. 3CX Hosted customers: No action required. ⚠️ Customers with publicly exposed on-premise or cloud deployments should apply the latest 3CX hotfix immediately. Read the full guidance, mitigation steps and update details in our latest blog. Link in bio.

Future-proof your business communications and save big. Our Q2 2026 promotions offer up to 30% off upgrades and 20% off new annual licenses. Optimize your budget before June 30. Details here: 3cx.com/blog/news/q2-2026-pr…

3CX V20 Update 9 RC3 is now available. This release delivers final fixes ahead of the V20 Update 9! Read our latest blog for all info. Link in bio.

Deploying 3CX on Proxmox VE just got easier. Our new automated deployment method lets you provision a 3CX VM hands-free using Debian cloud images and Cloud-Init - reducing setup time and configuration errors. Read our latest blog for all details. Link in bio.

Learn how to structure your 3CX AI Agent knowledge sources for faster, more relevant responses, especially when working with large datasets. Read the blog for all details. 🚀 Link in bio.

Your 3CX PBX now speaks fluent SIEM! Custom Remote Syslog Logging forwards system alerts, security events and audit logs straight to Splunk, Graylog, QRadar, Wazuh, or any RFC-compliant collector - over UDP, TCP, or TLS. Built for enterprises that take ISO 27001, SOC 2, PCI DSS and HIPAA seriously. Read our latest blog and learn how to set it up in minutes! Link in bio.

V20 Update 9 RC2 is here with the final fixes before the official release! We've addressed issues with Grok summarization, Windows installer and more. Test it today! Link in Bio.

The 3CX Forum continues to grow thanks to the community members who share their knowledge and support other users every day. We’re recognising the top contributors of Q1 2026 and thanking them for their valuable input across both the international and national forums. 👏 Link in bio.

V20 Update 9 RC is here 🚀 New Grok 4.3 AI transcription support, improved handling for larger recordings and better AI route-by-name transfers are now available. Test it now. Link in bio.

Need your own custom VoIP Provider template? 3CX VoIP Provider Template Builder helps you fine-tune trunk settings and manage your custom templates effectively. Available in V20 Update 9. 👉 Learn more in our latest blog. Link in Bio.

The 3CX Web Client has a new look. V20 Update 9 introduces a clearer interface, improved navigation and updated workflows designed to make everyday communication faster and easier. Read our latest blog post to see what’s new! Link in bio.

V20 Update 9 introduces advanced queue features designed for real call centers - from callback on request to time-based and cumulative escalation. More control over wait times, routing and caller experience, even during peak demand! Read our latest blog for full info. Link in bio.

3CX V20 Update 9 BETA introduces Grok (xAI) as a new transcription option, offering fast and cost-effective call transcription, summaries and sentiment analysis. Read our full blog for details! Link in bio.

Important news - 3CX ENT is being phased out, with support shifting to providers like Grok. Full details on the blog. Link in bio.