中国电信、中国移动、中国联通，集体宣布

Group 1 - The core viewpoint of the article is that three major telecommunications companies in China have collectively announced standardized measures for telephone marketing to address consumer complaints regarding false advertising and misleading promotions [1] - The official outbound marketing numbers for the three telecommunications companies are China Telecom 10001, China Mobile 10085, and China Unicom 10016, and consumers are advised to avoid any other numbers for business transactions [1][2] - The companies have established that if a user explicitly refuses marketing calls, they cannot be contacted again, and all marketing communications must accurately present the content without false claims or hidden fees [1] Group 2 - Outbound marketing calls must be recorded and undergo full review to ensure compliance with strict quality standards, promoting transparency and integrity in the marketing process [1] - After obtaining user consent, staff must send a confirmation SMS detailing necessary information about the service, and the service will only be processed upon user confirmation via SMS [1] - Successful transactions will be followed by timely notification SMS to the users [1]