How to activate the caller ID function?

Hello, take China Telecom as an example. To activate the caller ID service, you can directly call Telecom customer service 10000 to activate it, or you can activate it through China Telecom’s online business hall. The method for activating caller ID service in China Telecom’s online business hall is as follows:

1. Log in to China Telecom’s online business hall, then click on Business on the homepage, and then click on Basic Business

2. Then click on Function Settings, then click on Caller ID Distribution Processing, and follow the guidance. Just apply.

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