void (*h_command_function) (void) ; /* service command function */
void (*h_async_function) (void) ; /* do async msgs function */
void (*h_greeting_function) (void) ; /* greeting function for session startup */
void (*h_command_function) (void) ; /* service command function */
void (*h_async_function) (void) ; /* do async msgs function */
void (*h_greeting_function) (void) ; /* greeting function for session startup */