follows:
1. Click Intercom > Basic > Direct IP
2. Set up related parameters as needed.
3. Click Submit tab for the validation or Cancel tab for the
cancellation.
Parameter set-up:
Direct IP Call: click “Enable” or “Disable” to turn the direct IP call
on or off. For example if you do not allow direct IP call to be made
on the device, you can click” Disable” to terminate the function.
Direct IP Port: the direct IP Port is “5060” by default with the
port range from 1-65535. And you enter any values within the
range other than the 5060, you are required to check if the value