Brekeke and CUCM 12.5

1. Brekeke Product Name and Version: Brekeke SIP Server 3.9.5.8

2. Java version: 15

3. OS type and the version:
Windows server 2016
4. UA (phone), gateway or other hardware/software involved: Responder 5

5. Your problem:

Hello,
Currently we are using CUCM 10.5 with system Rauland responder 5 and we will update to version 12.5. I would like to know if I would have an impact with my Responder 5 system
Thank you

I don't think the CUCM 12.4 causes a SIP interoperability issue.