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共用方式為


call: subscribeToTone

Namespace: microsoft.graph

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Subscribe to DTMF (dual-tone multi-frequency signaling) to allow you to be notified when the user presses keys on a dialpad.

This action is supported only for calls that are initiated with serviceHostedMediaConfig.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) Not supported. Not supported.
Delegated (personal Microsoft account) Not supported. Not supported.
Application Calls.AccessMedia.All Not available.

Note: Any tone data provided may not be persisted. Make sure you are compliant with the laws and regulations of your area regarding data protection and confidentiality of communications. For more information, see the Terms of Use and consult with your legal counsel.

HTTP request

POST /app/calls/{id}/subscribeToTone
POST /communications/calls/{id}/subscribeToTone

Note: The /app path is deprecated. Going forward, use the /communications path.

Request headers

Name Description
Authorization Bearer {token}. Required. Learn more about authentication and authorization.

Request body

In the request body, provide a JSON object with the following parameters.

Parameter Type Description
clientContext String Unique client context string. Can have a maximum of 256 characters.

Response

If successful, this method returns 200 OK response code.

Example

The following example shows how to call this API.

Request

The following example shows the request.

POST https://graph.microsoft.com/beta/communications/calls/{id}/subscribeToTone
Content-Type: application/json
Content-Length: 46

{
  "clientContext": "fd1c7836-4d84-4e24-b6aa-23188688cc54"
}
Response

Note: The response object shown here might be shortened for readability.

HTTP/1.1 200 OK
Location: https://graph.microsoft.com/beta/communications/calls/57dab8b1-894c-409a-b240-bd8beae78896/operations/0fe0623f-d628-42ed-b4bd-8ac290072cc5

{
  "@odata.type": "#microsoft.graph.subscribeToToneOperation",
  "clientContext": "clientContext-value",
  "id": "0fe0623f-d628-42ed-b4bd-8ac290072cc5",
  "resultInfo": null,
  "status": "completed"
}
Notification - tone notification

The notification contains information of the tone pressed in the toneInfo resource.

POST https://bot.contoso.com/api/calls
Content-Type: application/json
{
  "@odata.type": "#microsoft.graph.commsNotifications",
  "value": [
    {
      "@odata.type": "#microsoft.graph.commsNotification",
      "changeType": "updated",
      "resourceUrl": "/communications/calls/57dab8b1-894c-409a-b240-bd8beae78896",
      "resourceData": {
        "@odata.type": "#microsoft.graph.call",
        "state": "established",
        "toneInfo": {
          "@odata.type": "#microsoft.graph.toneInfo",
          "sequenceId": 1,
          "tone": "tone1"
        }
      }
    }
  ]
}