You must bring your own ID card, that is, the ID card of the head of the household. If someone else is doing it on your behalf, you need to bring the ID cards of both of them and go to the business hall to do it.
There may be differences from place to place, you can also consult the 10000 number or go to the business hall to ask before you go.
Expanded Information:
China Telecom Group Corporation was founded in 2002, is China's mega state-owned telecommunications enterprises, the Shanghai World Expo, the Guangzhou Asian Games global partners, for many years in the " world's top 500 enterprises ", the registered capital of 158 billion yuan.
The company mainly provides integrated information services such as fixed-line telephony, mobile communications, satellite communications, Internet access and applications.
Telecom Broadband is a general term used by China's telecom operators to provide access to the Internet to telecom users. It is presented to users under the unified business brand of "Tianyi Broadband", which provides users with seamless coverage of broadband access services through the unified Tianyi Broadband Client, as well as integrating the unified contact directory, short message service (SMS), Tianyi Live, NetDisk, Security Expert, and Tianyi Live, It also integrates simple and practical applications such as unified address book, SMS, Tianyi Live, net disk, security expert, Tianyi Video, 189 mailbox, etc., to meet users' business needs such as high-speed Internet access, sending and receiving e-mails, online stock market speculation, online shopping, video-on-demand, online games, distance education, telemedicine, telecommuting, home office, and e-commerce.
Reference: Baidu Encyclopedia-Telecom Broadband