Let the mobile phone answer calls from fixed telephones at any time. How to deal with that business?

The business you mentioned is called Super Cordless (Tianyi Edition), which can be handled through the business hall. Super cordless (Tianyi Edition) service is a comprehensive mobile and fixed-line service provided by China Telecom for users with Tianyi and fixed-line. It mainly realizes the called resonance and short message reception between Tianyi mobile phone and fixed telephone, and can also provide other enhanced service functions. Its main features are: the landline number is the mobile phone number, which is convenient to remember; the Tianyi mobile phone number bundled in the super cordless (Tianyi Edition) is the same as the fixed phone number, which is very convenient to remember. Even if the mobile phone number is changed, just remember the landline number and you can find it at any time! Take the fixed telephone with you, and don't miss any incoming calls: when you are away from home, you can also use Tianyi mobile phone to answer incoming calls to the fixed telephone at home or at your desk. The landline telephone can be used independently without interference: Tianyi telephone and fixed telephone can be used independently. When one of them is on the phone, the other one can still make or receive calls. Call discount between landline and mobile phone: The call between Tianyi mobile phone and fixed telephone bundled in the super cordless (Tianyi Edition) service is free in the province, which is more convenient and affordable. The service needs to pay the function fee: 6 yuan/month, which can only be applied for in the business hall. Broadband service can self-help troubleshooting, which is simple and easy to operate. In addition, you can also handle work order inquiry, ITV troubleshooting, broadband application and password service, which is convenient and fast. For more functions, please pay attention to China Telecom's Guizhou customer service. Customer service 30 will answer your questions.