Scenarios

Feature

Description

Scenario

DID

Direct Inward Dialing (DID) is a telephone service that connects inbound callers directly with a specific user or phone within a company's phone system.

DID numbers are usually displayed on the official websites of enterprises to facilitate customers to consult on services and obtain service use guides. They are used for advertising and promotion.

Voice notification

VMS initiates a call to a specified phone number by calling the corresponding API. After the call is answered, a specified audio is played. Text-to-speech (TTS) audios and recordings are supported.

Compared with SMS notifications, voice notifications provide multiple notification methods to notify users in a timely manner.

It is commonly used in scenarios such as order reminders, risk notifications, fault reminders, delivery services, and refund reminders.

Voice verification code

VMS initiates a call to a specified phone number by calling the corresponding API. After the call is answered, an audio that contains the voice verification code is played.

Compared with SMS verification codes, voice verification codes reach users more quickly and can be used to prevent brushing.

It is commonly used in security verification scenarios such as sending verification codes.

Voice group call

You can use the voice group call feature to make a voice call to multiple users at one time and play back messages based on the voice templates.

It is used for notification, advertising, and promotion. This feature improves outbound call efficiency and reduces the labor cost for enterprises.