Voice service registration method and digital terminal

Disclosed are a voice service registration method and a digital terminal, which relate to the field of communications, and solve the problem that a voice service cannot be recovered in time after recovery from an upper-layer network failure of a digital terminal. The method specifically comprises the steps of: after a digital terminal conducts voice service registration again for the nth time, the digital terminal detecting that a user conducts a first operation on a voice terminal connected to the digital terminal; n being an integer greater than or equal to 1; and when it is detected that a voice service has not registered successfully, the digital terminal triggering a voice service registration flow. The present invention is used in the process of voice service registration.