CDR module

1. Brekeke Product Name and Version: Brekeke SIP Server, Version 3.8.3.0, Advanced

2. Java version: 1.8.0_152

3. OS type and the version: CentOS7

4. UA (phone), gateway or other hardware/software involved:

5. Your problem:

It possible to insert Call-ID to CDR in new CDR module? Is there any variable which i have to write in CDR FORMAT filed to save the Call-ID?
Do you have any documentation about CDR feature?

Use %{CallidIn} or %{CallidOut}

Here is the list of CDR variables.
http://www.brekeke.com/doc/sip/CDR-Variables.pdf