perhaps this old reference to openser in ul_mi.c should be replaced by a Makefile.defs variable: /*! call-id used for ul_add and ul_rm_contact */ static str mi_ul_cid = str_init("dfjrewr12386fd6-343 at openser.mi"); also this string could be a variable: /*! user agent used for ul_add */ static str mi_ul_ua = str_init("Kamailio MI Server"); -- juha