timer modparam must be named

etc/ser-oob.cfg

@@ -362,7 +362,7 @@ modparam("exec", "time_to_kill", 200);
 modparam("exec", "setvars", 0);
 
 # -- timer module
-modparam("timer", "declare_timer", "ON_1MIN_TIMER,60000,slow,enable");
+modparam("timer", "declare_timer", "ON_1MIN_TIMER=ON_1MIN_TIMER,60000,slow,enable");
 
 # -------------------------  request routing logic -------------------