In China, leading operators China Telecom, China Netcom, China Mobile, China Unicom and China Railcom have successively conducted ASON application tests and small-scale exploratory work.

• 在国内，中国电信、中国网通、中国移动、中国联通和中国铁通几大运营商已经陆续开展ASON应用测试、试验和小规模探索。