Can somebody please tell me what would be a verified combination of kamailio and rtpproxy?

I mean, for example,  kamailio 4.1 and rtpproxy 1.x that can be downloaded from:http://<real_url>

I found at least 3 different places where one can download rtpproxy:

I downloaded the one from https://github.com/sippy/rtpproxy and have tested against kamailio 4.1, 4.2 and they are not compatible.

It seems that the logi inside the function "send_rtpp_command" is not compatible with the rtpproxy version from https://github.com/sippy/rtpproxy and that causes kamailio to disable rtpproxy and it becomes useless.

Second questions: do the feature added to the rtpproxy (parameter -A to use external public IP for devices behind NAT) is compatible with OPENSIPS only?

I am about to test  with kamailio 3.3, I will update this post later on

thank you in advance

jp