@denyspozniak gave me a tip with
``` loadmodule "jsonrpcs.so" modparam("jsonrpcs", "transport", 2) modparam("jsonrpcs", "pretty_format", 1 ``` and later on `[root@v0p1356-dispatcher kamailio]# kamctl rpc ul.dump location ` works like a charm. But still ul.dump should work I think?