More control over wait times, routing and caller experience. V20 Update 9 introduces a major set of improvements to queue behaviour, designed specifically for enterprise call centers. These updates give Admins greater control over how calls are handled, how long callers wait and how queues respond under pressure. From smarter escalation to more flexible callback options, the fo [...]
Simplify creation of 3CX XML templates with our AI Prompt. We’ve prepared an AI Prompt for use with an AI Chat agent, designed to help create a CRM XML template for your CRM. It has been built and tested specifically using the Cursor application, using Claude Sonnet 4.6 as the model. You can download the CRM_Prompt.md file to try it out yourself. The video below shows how you c [...]
Deploying multiple 3CX MCUs and AI transcriber engines in a single LAN. When running multiple instances of services that require public-facing FQDNs and SSL certificates, managing the certificates can be a challenge. To provide meaningful examples of what can and what cannot be achieved, we will use a common scenario as a starting point, and then expand on how variations impact [...]
How to fit your Agents into the correct OpenAI usage Tier. Once you’ve set up an AI Agent, typically one of its tasks is to understand the caller's intent, and transfer the call to an appropriate extension. The caveats - your AI Agent must have access to the OpenAI service and must not be restricted by rate limits. If your AI Agent hits a rate limit, the caller will not get a r [...]
Secure your Windows Servers' outbound connections. Configure your Windows Server to use more secure ciphers and protocols for outbound HTTPS connections. If your Windows Server is kept at default TLS client settings, it can prefer to initiate TLS1.0 client connections instead of TLS1.3. Why is TLS1.0 Insecure? This matters because TLS1.0 can negotiate protocols that are conside [...]
Restoring encrypted connectivity after an auto-renewal failure. For all 3CX-provided FQDNs, SSL certificates are configured to be automatically updated. This ensures that your 3CX remains secure, auto-renewing well before expiry. However, if for some reason your 3CX system is unable to reach out to trigger and complete the auto-renewal, you will have to force the renewal. Follo [...]
Background information for configuring SSL Certificate files correctly. We regularly see questions about error messages relating to SSL certificate issues - typically that your certificate is not trusted. In most cases, the root cause is that the certificate file contains only your server's certificate. Keeping your Certificate Safe When you receive your certificate files, you [...]
Guided installation of your WhatsApp SIP Trunk. 3CX V20 Update 8 now brings WhatsApp Inbound calls to your PBX, expanding on the messaging integration. Reach out to the millions of WhatsApp users worldwide by adding WhatsApp SIP Calling to your PBX - effectively giving callers the equivalent of FreePhone calling from anywhere on the globe. Your WhatsApp number set up as SIP Tru [...]
Hands-free automated installation for Windows Desktops. Attention System Administrators! Deploying the 3CX Softphone via Microsoft Intune allows IT admins to install the application on many devices simultaneously without manual intervention. We've prepared a document to guide you through the steps. From Manual to Automated Installation Deploying the 3CX Softphone via Microsoft [...]
Better tools for interop testing your VoIP provider accounts. Version 20 Update 8 introduces yet another great new feature with the VoIP Provider Checker for in-depth SIP trunk analysis. 3CX provides a comprehensive list of Supported SIP Trunk Providers. However, if you need to implement a different provider account, the VoIP Provider Checker built into 3CX is an excellent tool [...]
