{
	global:
		ast_fax_tech_register;
		ast_fax_tech_unregister;
		ast_fax_session_unreference;
		ast_fax_minrate;
		ast_fax_maxrate;
		ast_fax_state_to_str;
		ast_fax_session_operation_str;
		ast_fax_log;
	local:
		*;
};