void remove_relation(struct join_relation *relation);
struct join_relation *add_relation(void);
int out_setup(unsigned int epoint_id, int message, union parameter *param, char *newnumber, char *newkeypad);
void remove_relation(struct join_relation *relation);
struct join_relation *add_relation(void);
int out_setup(unsigned int epoint_id, int message, union parameter *param, char *newnumber, char *newkeypad);