C# SDK

Release Notes

Version Notes
2.0.0 Removed all messaging exceptions and normalized them under MessagingException
3.0.0 Updated Pause and SendDtmf BXML attributes
3.1.0 Added MFA functions
3.2.0 Added support for multi nested verbs in Gathers
3.3.0 Added support for Conference BXMl, Conference API Endpoints, and WebRTC
3.4.0 Updated WebRTC Permissions schema
3.5.0 Updated MFA schema to include digits and expirationTimeInMinutes
3.6.0 Added BXML Bridge verb
3.7.0 Updated WebRTC base URL

Github

Nuget

Code Examples

Download & Install

nuget install Bandwidth.Sdk -OutputDirectory packages

*Note: This only adds the package to the disk. The packages.config or dependency file needs to be modified to add it to the project.

Initialize Bandwidth Voice & Message Client

*Note: If you see this error System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. This code may be needed System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;

using Bandwidth.Standard;

//create Configuration with credentials
BandwidthClient client = new BandwidthClient.Builder()
                .Environment(Bandwidth.Standard.Environment.Production)
                .VoiceBasicAuthCredentials( username, password )
                .MessagingBasicAuthCredentials( token, secret )
                .Build();


//Select namespaced controller.
Bandwidth.Standard.Voice.Controllers.APIController voiceController = client.Voice.APIController;
Bandwidth.Standard.Messaging.Controllers.APIController msgController = client.Messaging.APIController;

Create Phone Call

using Bandwidth.Standard.Voice.Controllers;

callRequest.ApplicationId = "3-d-4-b-5";
callRequest.To="+19999999999";
callRequest.AnswerUrl= "https://test.com";
callRequest.From="+17777777777";

//Be aware that the Voice Client can throw exceptions
try {
    var response = voiceController.CreateCall("account.id", callRequest);
} catch (APIException e) {
    WriteLine( e.Message );
} catch (IOException e) {
    WriteLine( e.Message );
}

Generate BXML

using Bandwidth.Standard.Voice.Bxml;

//Bandwidth XML (BXML) verb SpeakSenetence plays the sentence audio
SpeakSentence speakSentence = new SpeakSentence();
speakSentence.Sentence = "Hello World";

//Add the verb to a Response object
Response res =  new Response();
res.Add(speakSentence);

//view the BXML
Console.write( res.ToBXML() );

Send Text Message

using Bandwidth.Standard.Messaging;
using Bandwidth.Standard.Messaging.Controllers;
using Bandwidth.Standard.Messaging.Models;

MessageRequest msgRequest = new MessageRequest();
msgRequest.ApplicationId = applicationId;
msgRequest.From = "+18888888888";
msgRequest.To = new string[1] {"9199199999"};
msgRequest.Text = "The quick brown fox jumps over a lazy dog.";

var response = msgController.CreateMessage(msgUserId, msgRequest);

Order Phone Number

//Coming soon

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