The problem: you are missing a module Let's say you add the db_mysql module to your opensips.cfg file: loadmodule "db_mysql.so" And you go to run...
The docker compose file below will let you have a running opensips, rtpengine and mysql server. Take note of the OPENSIPS_EXTRA_MODULES variable....
Here is a small snippet, showing how to answer a call and play audio from your opensips config using the opensips b2b_entities module. if...
If you develop with opensips on Mac or Windows, frustration will quickly set in when you think you have your opensips.cfg file ready for testing...