Configuring a Cisco 8841-3PCC for FreePBX, 3CX, etc - LabZilla
Cisco makes two different groups of IP phone - one using Enterprise Firmware and the other using Multi-Platform Firmware (sometimes referenced as 3PCC - thir...
Can you go into more detail about your setup on the 3CX side of things? I have a similar phone (Cisco 8861) and having a hell of a time getting outgoing calls working
Configuring a Cisco 8841-3PCC for FreePBX, 3CX, etc - LabZilla
Cisco makes two different groups of IP phone - one using Enterprise Firmware and the other using Multi-Platform Firmware (sometimes referenced as 3PCC - thir...
https://labzilla.io/blog/cisco-8841-3pcc