Security Rules
For the integration to work, you need to allow connections from the application server
address in your PBX firewall settings.
Open the Security section in the left menu, then Security Rules

And Add a new allow rule, as shown in the image:


Example of filling in fields:
- Name: Bitrix24 Intergation
- Action: Accept
- Object Type: IP Address
- Protocol: Both
- Source IP Address: 185.47.152.82
- Subnet Mask: 255.255.255.255
