void sal_exosip_in_subscription_closed(Sal *sal, eXosip_event_t *ev);
SalOp * sal_find_out_subscribe(Sal *sal, int sid);
+SalOp * sal_find_in_subscribe(Sal *sal, int nid);
void sal_exosip_fix_route(SalOp *op);
void _osip_list_set_empty(osip_list_t *l, void (*freefunc)(void*));