Twilio 3.7.51-alpha

Prefix Reserved
This is a prerelease version of Twilio.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Twilio --version 3.7.51-alpha
                    
NuGet\Install-Package Twilio -Version 3.7.51-alpha
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Twilio" Version="3.7.51-alpha" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Twilio" Version="3.7.51-alpha" />
                    
Directory.Packages.props
<PackageReference Include="Twilio" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Twilio --version 3.7.51-alpha
                    
#r "nuget: Twilio, 3.7.51-alpha"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Twilio@3.7.51-alpha
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Twilio&version=3.7.51-alpha&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=Twilio&version=3.7.51-alpha&prerelease
                    
Install as a Cake Tool

Twilio REST API helper library

Product Compatible and additional computed target framework versions.
.NET Framework net35 is compatible.  net40 is compatible.  net403 was computed.  net45 was computed.  net451 was computed.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (215)

Showing the top 5 NuGet packages that depend on Twilio:

Package Downloads
Twilio.AspNet.Core

Twilio helper library for ASP.NET Core

iRely.Common

iRely.Common

Twilio.AspNet.Mvc

Twilio helper library for ASP.NET MVC on .NET Framework.

Soenneker.Twilio.RestClient

An async thread-safe singleton for a Twilio RestClient

DTF.Services

Abstractions and implementations of DTF services for integration

GitHub repositories (30)

Showing the top 20 popular GitHub repositories that depend on Twilio:

Repository Stars
dotnet/AspNetCore.Docs
Documentation for ASP.NET Core
Ombi-app/Ombi
Want a Movie or TV Show on Plex/Emby/Jellyfin? Use Ombi!
ONLYOFFICE/CommunityServer
Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.
phongnguyend/Practical.CleanArchitecture
Full-stack .Net 10 Clean Architecture (Microservices, Modular Monolith, Monolith), Blazor, Angular 20, React 19, Vue 3.5, BFF with YARP, NextJs 16, Domain-Driven Design, CQRS, SOLID, Asp.Net Core Identity Custom Storage, OpenID Connect, EF Core, OpenTelemetry, SignalR, Background Services, Health Checks, Rate Limiting, Clouds (Azure, AWS, GCP), ...
ariacom/Seal-Report
Database Reporting Tool and Tasks (.Net)
bitfoundation/bitplatform
Build all of your apps using what you already know and love ❤️
CodeMazeBlog/CodeMazeGuides
The main repository for all the Code Maze guides
microsoft/botbuilder-dotnet
Welcome to the Bot Framework SDK for .NET repository, which is the home for the libraries and packages that enable developers to build sophisticated bot applications using .NET.
HTBox/allReady
This repo contains the code for allReady, an open-source solution focused on increasing awareness, efficiency and impact of preparedness campaigns as they are delivered by humanitarian and disaster response organizations in local communities.
azure-ad-b2c/samples
Azure AD B2C custom policy solutions and samples.
simpleidserver/SimpleIdServer
OpenID, OAuth 2.0, SCIM2.0, UMA2.0, FAPI, CIBA & OPENBANKING Framework for ASP.NET Core
notifo-io/notifo
Multi channel notification service for collaboration tools, e-commerce, news service and more.
streetwriters/notesnook-sync-server
Sync server for Notesnook (self-hosting in alpha)
aelassas/wexflow
Workflow Automation Engine
SparkDevNetwork/Rock
An open source CMS, Relationship Management System (RMS) and Church Management System (ChMS) all rolled into one.
dotnetcore/aspnetcore-doc-cn
The Simplified Chinese edition of Microsoft ASP.NET Core documentation, translated by .NET Core Community and .NET China Community.
Azure/azure-webjobs-sdk-extensions
Azure WebJobs SDK Extensions
JasonBock/Rocks
A mocking library based on the Compiler APIs (Roslyn + Mocks)
BotBuilderCommunity/botbuilder-community-dotnet
Part of the Bot Builder Community Project. Repository for extensions for the Bot Builder .NET SDK, including middleware, dialogs, recognizers and more.
NVentimiglia/Unity3d-Foundation
Unity3d Databinding, MVVM, Tasks, Localization
Version Downloads Last Updated
7.13.8 2,089 12/3/2025
7.13.7 35,519 11/21/2025
7.13.6 78,858 11/11/2025
7.13.5 81,631 10/28/2025
7.13.4 116,719 10/14/2025
7.13.3 135,277 9/30/2025
7.13.2 29,886 9/25/2025
7.13.1 83,059 9/18/2025
7.13.0 141,739 9/4/2025
7.12.2 73,020 8/28/2025
7.12.1 94,729 8/18/2025
7.12.0 272,767 7/24/2025
7.11.5 207,115 7/10/2025
7.11.4 74,469 7/3/2025
7.11.3 221,598 6/12/2025
7.11.2 5,521 6/12/2025
7.11.1 405,897 5/13/2025
7.11.0 118,888 5/5/2025
7.10.0 409,762 4/7/2025
7.9.1 339,886 3/20/2025
7.9.0 189,939 3/11/2025
7.8.5 286,753 2/20/2025
7.8.4 236,270 2/12/2025
7.8.3 312,973 1/28/2025
7.8.2 578,117 1/13/2025
7.8.1 50,783 1/9/2025
7.8.0 1,479,292 12/5/2024
7.7.0 782,632 11/15/2024
7.6.0 664,607 10/24/2024
7.5.1 168,072 10/17/2024
7.5.0 395,750 10/3/2024
7.4.0 223,900 9/25/2024
7.3.1 258,283 9/18/2024
7.3.0 242,717 9/5/2024
7.2.3 243,095 8/26/2024
7.2.2 1,421,270 7/2/2024
7.2.1 114,332 6/27/2024
7.2.0 164,733 6/18/2024
7.1.1 234,165 6/6/2024
7.1.0 780,452 5/24/2024
7.0.5 869,422 4/18/2024
7.0.4 353,537 4/4/2024
7.0.3 84,222 4/1/2024
7.0.2 441,870 3/14/2024
7.0.1 93,156 3/12/2024 7.0.1 is deprecated.
7.0.0 253,226 2/27/2024 7.0.0 is deprecated.
7.0.0-rc.4 9,174 2/23/2024
7.0.0-rc.3 196 2/23/2024
7.0.0-rc.2 1,891 2/15/2024
7.0.0-rc.1 85,374 10/5/2023
6.18.0 691,950 2/9/2024
6.16.1 894,891 1/15/2024
6.15.2 867,422 12/5/2023
6.15.1 435,525 11/17/2023
6.15.0 346,248 11/8/2023
6.14.1 666,226 10/5/2023
6.14.0 293,620 9/21/2023
6.13.0 242,450 9/7/2023
6.11.0 548,567 8/10/2023
6.10.1 275,221 7/27/2023
6.10.0 272,461 7/13/2023
6.9.0 277,323 6/28/2023
6.8.0 302,845 6/15/2023
6.7.0 360,160 6/1/2023
6.6.1 278,454 5/18/2023
6.6.0 342,881 5/4/2023
6.5.0 387,827 4/20/2023
6.4.0 450,230 4/5/2023
6.3.0 551,746 3/23/2023
6.2.5 496,244 3/9/2023
6.2.4 2,387,197 2/22/2023
6.2.3 183,699 2/8/2023
6.2.2 403,240 1/25/2023
6.2.1 475,327 1/11/2023
6.2.0 438,662 12/14/2022
6.1.0 367,962 11/30/2022
6.0.1 748,223 11/16/2022
6.0.0-rc.3 993 11/10/2022
6.0.0-rc.2 1,424 10/31/2022
6.0.0-rc.1 1,833 10/20/2022
5.81.2 705,775 11/10/2022
5.81.1 229,010 10/31/2022
5.81.0 348,356 10/19/2022
5.80.1 559,236 10/5/2022
5.80.0 898,372 9/7/2022
5.79.0 305,433 8/24/2022
5.78.1 321,161 8/10/2022
5.78.0 605,697 7/21/2022
5.77.0 948,516 7/13/2022
5.76.0 606,689 6/29/2022
5.75.3 595,975 6/15/2022
5.75.2 288,524 6/1/2022
5.75.1 567,062 5/18/2022
5.75.0 465,930 5/4/2022
5.74.0 1,048,438 4/6/2022
5.73.0 849,818 3/23/2022
5.72.1 547,654 3/9/2022
5.72.0 538,172 2/23/2022
5.71.0 7,762,512 2/9/2022
5.70.1 800,237 1/26/2022
5.70.0 531,882 1/12/2022
5.69.0 895,676 12/15/2021
5.68.2 570,727 12/1/2021
5.68.1 920,416 11/17/2021
5.68.0 281,138 11/3/2021
5.67.0 340,981 10/18/2021
5.66.0 310,763 10/6/2021
5.65.3 399,374 9/22/2021
5.65.2 634,996 9/8/2021
5.65.0 726,779 8/11/2021
5.64.1 342,624 7/28/2021
5.64.0 357,024 7/14/2021
5.63.0 314,136 6/30/2021
5.62.0 362,210 6/16/2021
5.61.1 396,390 6/2/2021
5.61.0 204,023 5/19/2021
5.60.0 447,161 5/5/2021
5.59.0 234,084 4/21/2021
5.58.0 408,036 4/7/2021
5.57.0 670,324 3/24/2021
5.56.0 568,153 3/15/2021
5.55.0 410,786 2/24/2021
5.54.0 389,151 2/12/2021
5.53.1 702,948 1/27/2021
5.53.0 218,795 1/13/2021
5.52.1 934,649 12/16/2020
5.52.0 273,948 12/8/2020
5.51.0 182,798 12/2/2020
5.50.0 679,679 11/18/2020
5.49.0 373,496 11/5/2020
5.48.0 1,102,177 10/14/2020
5.47.2 714,359 9/28/2020
5.47.1 337,787 9/21/2020
5.47.0 76,809 9/16/2020
5.46.2 365,455 9/3/2020
5.46.1 13,914 9/2/2020
5.46.0 600,569 8/19/2020
5.45.2 359,901 8/5/2020
5.45.1 294,805 7/22/2020
5.45.0 1,635,662 7/8/2020
5.44.0 617,579 6/24/2020
5.43.0 393,372 6/10/2020
5.42.0 381,659 5/27/2020
5.41.1 646,559 5/20/2020
5.41.0 173,834 5/13/2020
5.40.0 378,405 4/29/2020
5.39.1 389,548 4/15/2020
5.39.0 591,644 4/1/2020
5.38.0 424,238 3/18/2020
5.37.6 452,355 3/4/2020
5.37.5 527,441 2/19/2020
5.37.4 369,182 2/5/2020
5.37.3 453,905 1/22/2020
5.37.2 1,411,598 1/8/2020
5.37.1 397,672 12/18/2019
5.37.0 118,371 12/12/2019
5.36.0 279,367 12/4/2019
5.35.1 463,026 11/13/2019
5.35.0 326,754 10/30/2019
5.34.0 167,757 10/16/2019
5.33.1 1,080,778 10/2/2019
5.33.0 502,053 9/18/2019
5.32.0 250,392 9/4/2019
5.31.4 290,844 8/21/2019
5.31.3 263,396 8/5/2019
5.31.2 120,614 7/24/2019
5.31.1 447,511 7/10/2019
5.31.0 255,006 6/26/2019
5.30.0 327,929 6/12/2019
5.29.1 245,425 5/29/2019
5.29.0 234,220 5/15/2019
5.28.4 194,489 5/1/2019
5.28.3 126,221 4/24/2019
5.28.2 148,349 4/12/2019
5.28.1 6,778 4/12/2019
5.28.0 2,145,453 3/28/2019
5.27.2 139,544 3/15/2019
5.27.1 753,021 3/7/2019
5.27.0 89,686 3/1/2019
5.26.1 178,399 2/16/2019
5.26.0 539,451 2/4/2019
5.25.1 688,490 1/11/2019
5.25.0 17,782 1/10/2019
5.24.1 323,661 1/2/2019
5.24.0 83,062 12/14/2018
5.23.0 226,357 11/30/2018
5.22.0 132,897 11/16/2018
5.21.0 183,935 10/28/2018
5.20.1 650,244 10/16/2018
5.20.0 22,048 10/15/2018
5.19.0 396,129 10/4/2018
5.18.0 39,216 10/2/2018
5.17.0 349,984 9/20/2018
5.16.4 142,903 9/7/2018
5.16.3 181,564 8/31/2018
5.16.2 113,649 8/23/2018
5.16.0 149,843 8/17/2018
5.15.1 89,451 8/9/2018
5.15.0 169,795 8/3/2018
5.14.1 113,278 7/27/2018
5.14.0 198,376 7/16/2018
5.13.8 52,117 7/11/2018
5.13.7 77,793 7/5/2018
5.13.6 38,456 6/29/2018
5.13.5 39,046 6/21/2018
5.13.4 47,883 6/15/2018
5.13.3 149,802 6/5/2018
5.13.2 76,610 5/25/2018
5.13.1 58,828 5/18/2018
5.13.0 620,659 5/11/2018
5.12.1 43,471 5/7/2018
5.12.0 47,198 4/27/2018
5.11.1 69,959 4/20/2018
5.11.0 34,303 4/13/2018
5.10.0 203,326 3/23/2018
5.9.8 102,710 3/10/2018
5.9.7 442,830 2/24/2018
5.9.6 106,973 2/10/2018
5.9.5 74,453 1/31/2018
5.9.4 73,559 1/22/2018
5.9.3 5,465 1/22/2018
5.9.2 332,116 12/16/2017
5.9.1 82,344 12/1/2017
5.9.0 328,883 11/17/2017
5.8.3 250,930 11/11/2017
5.8.2 134,573 11/3/2017
5.8.1 59,046 10/28/2017
5.8.0 90,659 10/20/2017
5.7.2 66,083 10/13/2017
5.7.1 37,202 10/6/2017
5.7.0 45,896 9/29/2017
5.6.5 101,255 9/16/2017
5.6.4 113,790 9/1/2017
5.6.3 295,562 8/25/2017
5.6.2 21,801 8/18/2017
5.6.1 34,209 8/11/2017
5.6.0 104,955 7/27/2017
5.5.3-alpha2 32,470 7/7/2017
5.5.3-alpha1 3,262 7/1/2017
5.5.2 74,877 7/1/2017
5.5.2-alpha1 4,054 6/16/2017
5.5.1 95,970 6/16/2017
5.5.1-alpha1 4,373 5/24/2017
5.5.0 156,103 5/24/2017
5.4.3-alpha1 3,035 5/22/2017
5.4.2 38,227 5/19/2017
5.4.2-alpha1 3,167 5/8/2017
5.4.1 149,956 5/8/2017
5.4.1-alpha1 5,185 4/27/2017
5.4.0 29,670 4/27/2017
5.4.0-alpha1 3,188 4/27/2017
5.3.1-alpha1 6,308 4/17/2017
5.3.0 75,151 4/17/2017
5.2.2-alpha1 3,289 4/13/2017
5.2.1 15,493 4/13/2017
5.2.1-alpha1 13,898 3/31/2017
5.2.0 46,760 3/31/2017
5.1.2-alpha1 3,878 3/21/2017
5.1.1 49,617 3/21/2017
5.1.1-alpha1 3,844 3/9/2017
5.1.0 81,863 3/9/2017
5.0.3-alpha1 3,491 2/24/2017
5.0.2 40,589 2/24/2017
5.0.2-alpha1 3,269 2/24/2017
5.0.1 11,842 2/24/2017
5.0.1-alpha1 3,596 2/22/2017
5.0.0 56,000 2/22/2017
5.0.0-rca4 29,340 2/14/2017
5.0.0-rca3 3,030 2/9/2017
5.0.0-rca2 7,330 12/8/2016
5.0.0-rca1 4,171 11/9/2016
5.0.0-rc9 3,243 11/3/2016
5.0.0-rc8 4,667 9/19/2016
5.0.0-rc7 3,066 9/15/2016
5.0.0-rc6 3,978 9/1/2016
5.0.0-rc4 5,204 7/8/2016
5.0.0-rc2 21,366 6/2/2016
5.0.0-rc10 3,121 11/4/2016
5.0.0-rc1 2,909 6/1/2016
5.0.0-alpha1 2,951 2/22/2017
4.7.2 3,632,408 5/23/2016
4.7.1 332,767 4/5/2016
4.7.0 124,171 3/16/2016
4.5.0 413,512 2/5/2016
4.4.1 329,847 11/26/2015
4.4.0 33,644 11/12/2015
4.4.0-edge 2,983 11/12/2015
4.3.0 27,274 11/11/2015
4.2.1 69,338 10/30/2015
4.2.0 10,191 10/30/2015
4.1.0 213,348 9/24/2015
4.0.51 174,819 8/24/2015
4.0.5 242,599 8/20/2015
4.0.4 40,915 8/12/2015
4.0.3 252,220 5/21/2015
4.0.2 11,429 5/19/2015
4.0.1 13,714 5/14/2015
4.0.0 51,813 4/28/2015
3.8.45-beta 4,639 3/19/2015
3.8.44-beta 2,891 3/19/2015
3.8.40-beta 2,978 3/6/2015
3.8.30-beta 2,949 3/5/2015
3.8.29-beta 2,930 3/5/2015
3.8.28-beta 2,839 3/5/2015
3.8.26-beta 2,902 3/5/2015
3.8.18-beta 4,222 12/19/2014
3.7.55-alpha 8,260 6/4/2014
3.7.54-alpha 2,982 6/4/2014
3.7.53-alpha 3,003 6/4/2014
3.7.51-alpha 3,023 6/4/2014
3.7.50-alpha 3,062 6/4/2014
3.7.48-alpha 3,084 6/4/2014
3.7.46-alpha 2,939 6/4/2014
3.7.45-alpha 3,005 6/4/2014
3.7.44-alpha 3,047 6/4/2014
3.7.43-alpha 3,053 5/31/2014
3.7.40-alpha 2,995 5/31/2014
3.7.39-alpha 2,975 5/31/2014
3.7.38-alpha 2,990 5/31/2014
3.7.37-alpha 2,988 5/30/2014
3.7.35-alpha 3,037 5/30/2014
3.6.29 73,358 4/7/2015
3.6.28 10,427 4/7/2015
3.6.27 97,059 2/26/2015
3.6.26 45,065 2/19/2015
3.6.25 160,193 12/7/2014
3.6.24 31,703 11/14/2014
3.6.23 15,160 11/5/2014
3.6.22 10,496 11/5/2014
3.6.20 47,332 10/10/2014
3.6.19 9,873 10/10/2014
3.6.18 78,228 9/29/2014
3.6.17 33,806 8/28/2014
3.6.16 242,114 5/29/2014
3.6.15 10,927 5/27/2014
3.6.11 106,058 1/25/2014
3.6.10 32,635 11/20/2013
3.6.9 42,848 11/4/2013
3.6.8 9,950 11/4/2013
3.6.7 9,971 11/4/2013
3.6.6 9,913 11/4/2013
3.6.5 28,827 10/21/2013
3.6.4 14,400 10/7/2013
3.6.3 10,753 10/3/2013
3.6.2 12,584 9/30/2013
3.6.1 47,111 9/18/2013
3.5.17 85,873 7/31/2013
3.5.16 12,034 7/20/2013
3.5.15 14,820 7/13/2013
3.5.14 13,606 6/19/2013
3.5.12 18,469 4/10/2013
3.5.11 9,991 4/9/2013
3.5.10 11,027 4/5/2013
3.5.9 10,444 4/4/2013
3.5.8 11,134 3/18/2013
3.5.6 22,574 12/17/2012
3.5.5 20,126 10/25/2012
3.5.4 10,116 10/24/2012
3.5.3 11,171 10/17/2012
3.5.2 10,030 10/17/2012
3.5.1 12,326 8/31/2012
3.5.0 10,843 8/20/2012
3.4.5 15,729 7/12/2012
3.4.4 10,034 7/12/2012
3.4.3 10,183 7/9/2012
3.4.2 25,424 4/18/2012
3.4.1 66,046 4/18/2012
3.4.0 15,890 3/21/2012
3.3.7 10,799 2/15/2012
3.3.6 10,635 2/15/2012
3.3.5 10,032 2/15/2012
3.3.4 10,165 2/7/2012
3.3.3 10,041 2/6/2012
3.3.2 11,304 11/18/2011
3.3.1 10,133 11/18/2011
3.2.3 10,308 10/19/2011
3.2.2 10,225 10/11/2011
3.2.1 10,333 9/28/2011
3.2.0 10,322 9/21/2011
3.1.4 10,268 8/26/2011
3.1.3 10,228 8/9/2011
3.1.0 12,985 7/26/2011
3.0.1 10,651 7/20/2011
3.0.0 81,985 7/17/2011
2.0.2 98,053 1/31/2011

* 4.0.1-alpha - Removed RestSharp dependency
     - Removed SL and WP projects
     - Added PCL project
     - Public API should remain compatible with prior versions
     * 3.6.11 - Corrected UsageUnit and CountUnit change
     - Updated RestSharp reference
     - Updated user agent string
     * 3.6.10 - Fixed timeout value
     - Made method virtual to faciliate testing
     - Fix setting ApplicationSid in SendMessage
     * 3.6.9 - Changed the way Proxies are set
     * 3.6.8 - No, seriously.  Changing Accept-charset this time.
     * 3.6.7 - Changed to only add Accept-Charset header to Framework assemblies
     * 3.6.6 - Updated RestSharp reference
     * 3.6.5 - Added new Mobile resources
     - Added missing Local and TollFree resources
     * 3.6.4 - Fixing a bad upload
     * 3.6.3 - Added overloads to the SendMessage method
     - Fixed Sms references in SendMessage docs
     - Added second constructor to allow explicit setting of the Account resource
     * 3.6.2 - Updated RestSharp Reference
     - Readded Proxy property
     * 3.6.1 - Added new SIP endpoints
     - Added new Message and Media endpoints
     * 3.5.17 - Added workaround for problem redirecting calls
     * 3.5.16 - Changed TriggerValue from double to string to support offset value syntax
     - Fixed spelling issue preventing UsageUnits from deserializing correctly
     * 3.5.15 - Added new overload for RedirectCall to take optional parameters
     * 3.5.14 - Added new default header Accept-Chartset: utf-8
     * 3.5.13 - Fix Sip authentication properties
     * 3.5.12 - Added CallSid property to ValidationRequestResult
     * 3.5.11 - Removed JSON.NET dependency
     * 3.5.10 - Fixing bad build
     * 3.5.9 - Updated Json.NET reference
     * 3.5.8 - Added call params to support Sip Auth
     * 3.5.7 - Added new overload to UpdateApplication that takes only the applicationSid and ApplicationOptions object.  This overload uses the FriendlyName property from the ApplicationOptions.
     - Changed the Status property in ConferenceListRequest to a string, since thats what the values actually are
     - Change the QueueMember CurrentPosition property name to Position to match the API
     - Changed UpdateShortCode to use POST
     - Added the ability to filter by friendlyname, a list of subsccounts
     * 3.5.6 - Added ApplicationSid overload to SendSmsMessage
     General code cleanup
     Exposed IWebProxy to allow proxies to be set
     Added a way to transfer numbers between master and sub accounts
     Added OutgoingCallerIdOptions class and changed associated methods
     Fixed bug in ListShortCodes
     * 3.5.5 - Removed support for Windows Phone 7.0 SDK
     Added support for Windows Phone 7.1 SDK
     * 3.5.4 - Fixed package to support Mango tooling
     * 3.5.3 - Added paging properties to UsageRecord API
     * 3.5.2 - Adding Usage Capability
     Enabled NuGet package restore in the solution
     Updated project NuGet references
     * 3.5.1 - Updated RestSharp
     * 3.5.0 - Adding Queue Capability
     * 3.4.5 - Fixing package fail
     * 3.4.4 - Changed SMS message length validation
     * 3.4.3 - Added and updated some XML Doc Comments
     Added SmsStatusCallback property
     Fixed number transfer bug
     Fixed CallListOptions bug
     Updated to latest versions of RestSharp and Json.NET
     * 3.4.2 - Updated references to resolve issues with RestSharp and JSON.NET
     * 3.4.0 - Add CallOptions.Record to enable full-call recording
     * 3.3.7 - Another package-only fix. Assembly version is still 3.3.6
     * 3.3.6 - Fix corrupt package.
     * 3.3.5 - Bind against JSON.Net 4.0.8.
     * 3.3.3 - Fixed RestException never being populated. Updated to JSON.NET 4.0.7
     * 3.3.2 - Resolve NuGet assembly issue with RestSharp
     * 3.3.1 - Compatibility with latest version of RestSharp
     * 3.3.0 - Restored paging information for list resource responses.
     Restructured REST API objects to match JSON datastructures instead of XML.
     Fixed incorrect StatusCallback parameter name for IncomingPhoneNumber and Application.
     Fixed incorrect paging parameter name.

     * 3.2.3 - Added 'extension' parameter to the AddOutgoingCallerIds method