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Here is the code you asked for in this issue.


public async Task<object> Read(FaxReadType faxReadType)

{

        object returnData = null;

        try

        {

            using (RestClient rc = new RestClient(RINGCENTRAL_CLIENTID

                                                , RINGCENTRAL_CLIENTSECRET

                                                , IS_PRODUCTION))

            {

                TokenInfo tokenInfo = await rc.Authorize(RINGCENTRAL_USERNAME

                                                        , RINGCENTRAL_EXTENSION

                                                        , RINGCENTRAL_PASSWORD);



                if (rc.token.access_token.Length > 0)

                {

                    switch (faxReadType)

                    {

                        case FaxReadType.ReadContent:

                            ReadMessageContentParameters read = new ReadMessageContentParameters

                            {

                                contentDisposition = "Attachment"

                            };



                            returnData = await rc.Restapi().Account().Extension()

                                            .MessageStore(messageId).Content(attachmentId).Get(read);

                            break;



                        case FaxReadType.ReadMessage:

                            returnData = await rc.Restapi().Account().Extension()

                                            .MessageStore(messageId).Get();

                            break;

                    }

                }

            }

        }

        catch (Exception ex)

        {

            //Log exception in DB

        }

        return returnData;

    }


That is just a wrong way to read the attachment of a fax message. I don't know where you get the "messageId" from. Is you intention just to read the attachment and save to a local file?

This is an example of how to read message store message's attachment.

private async Task read_message_store_by_id(string messageId)

{

  await rcsdk.Authorize(RINGCENTRAL_USERNAME, RINGCENTRAL_EXTENSION, RINGCENTRAL_PASSWORD);

  if (rcsdk.token.access_token.Length > 0)

  {

    var response = await rcsdk.Restapi().Account().Extension().MessageStore(messageId).Get()

    if (response.attachments != null)

    {

      var path = "fax_content/";

      System.IO.Directory.CreateDirectory(path);

      foreach (var attachment in response.attachments)

      {

        var fileName = response.attachments[0].id + "_fax_attachment";

        var fileNameExt = attachment.contentType.Split('/');

        fileName = String.Format("{0}.{1}", fileName, fileNameExt[1]

        Console.WriteLine(fileName);

        var start = new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds();

        var res = await rcsdk.Restapi().Account().Extension().MessageStore(response.id.ToString()).Content(attachment.id.ToString()).Get();

        using (BinaryWriter writer = new BinaryWriter(System.IO.File.Open(path + fileName, FileMode.Create)))

        {

          writer.Write(res);

          writer.Flush();

          writer.Close();

        }

        Console.WriteLine("Done");

     }

   }

  }

}


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