#Siptrace
modparam("siptrace", "duplicate_uri", "sip:homerip:9060")
modparam("siptrace", "hep_mode_on", 1)
modparam("siptrace", "trace_to_database", 0)
modparam("siptrace", "trace_flag", 22)
modparam("siptrace", "trace_on", 1)


First line in routing logic:

sip_trace();