Thank you so much for your help.

Thank you for your recommendation.

Do you suggest:

Rule 1

Matching Patterns
$request = ^INVITE
$addr =3cx_IP

Deploy Patterns
$action = 400

Rule 2


Matching Patterns
$request = ^INVITE
$addr =PSTN_IP

Deploy Patterns
$action = 400

I have figured it out

Thanks

1. Brekeke Product Name and Version: Brekeke SIP Server Advanced Version 3 2. Java version: 3. OS type and the version: linux Ubuntu 20 4. UA (phone), gateway or other hardware/software involved: MicroSIP 5. Your problem: Hello All, Has anyone ever successfully connected 3CX to Brekeke. Firstly, I ...