Tag: VoIP

All the articles with the tag "VoIP".

• How to Change FusionPBX IP Address Safely (Without Breaking SIP, RTP & FreeSWITCH)

  11 Mar, 2026

  Learn how to safely change the FusionPBX IP address without breaking SIP registration, RTP audio, or FreeSWITCH configurations. Step-by-step expert guide.

• How to Configure FreeSWITCH ESL for External Access

  15 Aug, 2025

  Step-by-step guide to configure FreeSWITCH Event Socket Layer (ESL) for external access, including firewall rules, ACL setup.