Twilio 3.7.37-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There is a newer version of this package available.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 3.7.37-alpha
                    
NuGet\Install-Package Twilio -Version 3.7.37-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="3.7.37-alpha" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Twilio" Version="3.7.37-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 3.7.37-alpha
                    
#r "nuget: Twilio, 3.7.37-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.
#addin nuget:?package=Twilio&version=3.7.37-alpha&prerelease
                    
Install Twilio as a Cake Addin
#tool nuget:?package=Twilio&version=3.7.37-alpha&prerelease
                    
Install Twilio as a Cake Tool

Twilio REST API helper library

Product Compatible and additional computed target framework versions.
.NET Framework net35 is compatible.  net40 was computed.  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 (198)

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.

Microsoft.Azure.WebJobs.Extensions.Twilio

This package contains binding extensions for Twilio.

DTF.Services

Abstractions and implementations of DTF services for integration

GitHub repositories (28)

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 9 Clean Architecture (Microservices, Modular Monolith, Monolith), Blazor, Angular 19, React 19, Vue 3.5, BFF with YARP, NextJs 15, 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
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.
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.
notifo-io/notifo
Multi channel notification service for collaboration tools, e-commerce, news service and more.
simpleidserver/SimpleIdServer
OpenID, OAuth 2.0, SCIM2.0, UMA2.0, FAPI, CIBA & OPENBANKING Framework for ASP.NET Core
aelassas/wexflow
Workflow Engine and Automation Platform
SparkDevNetwork/Rock
An open source CMS, Relationship Management System (RMS) and Church Management System (ChMS) all rolled into one.
streetwriters/notesnook-sync-server
Sync server for Notesnook (self-hosting in alpha)
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
shr670377723/CommunityServer-master
Version Downloads Last updated
7.10.0 32,264 4/7/2025
7.9.1 70,570 3/20/2025
7.9.0 49,825 3/11/2025
7.8.5 114,814 2/20/2025
7.8.4 72,839 2/12/2025
7.8.3 132,718 1/28/2025
7.8.2 192,903 1/13/2025
7.8.1 24,280 1/9/2025
7.8.0 497,256 12/5/2024
7.7.0 420,077 11/15/2024
7.6.0 374,279 10/24/2024
7.5.1 99,325 10/17/2024
7.5.0 245,466 10/3/2024
7.4.0 125,156 9/25/2024
7.3.1 155,718 9/18/2024
7.3.0 156,445 9/5/2024
7.2.3 163,535 8/26/2024
7.2.2 901,635 7/2/2024
7.2.1 75,356 6/27/2024
7.2.0 116,992 6/18/2024
7.1.1 177,293 6/6/2024
7.1.0 493,274 5/24/2024
7.0.5 682,545 4/18/2024
7.0.4 259,209 4/4/2024
7.0.3 62,532 4/1/2024
7.0.2 341,852 3/14/2024
7.0.1 64,768 3/12/2024 7.0.1 is deprecated.
7.0.0 153,022 2/27/2024 7.0.0 is deprecated.
7.0.0-rc.4 7,420 2/23/2024
7.0.0-rc.3 133 2/23/2024
7.0.0-rc.2 1,525 2/15/2024
7.0.0-rc.1 80,573 10/5/2023
6.18.0 473,779 2/9/2024
6.16.1 647,105 1/15/2024
6.15.2 737,512 12/5/2023
6.15.1 345,274 11/17/2023
6.15.0 272,729 11/8/2023
6.14.1 537,301 10/5/2023
6.14.0 220,281 9/21/2023
6.13.0 202,772 9/7/2023
6.11.0 461,226 8/10/2023
6.10.1 237,744 7/27/2023
6.10.0 232,037 7/13/2023
6.9.0 226,383 6/28/2023
6.8.0 264,591 6/15/2023
6.7.0 291,888 6/1/2023
6.6.1 234,155 5/18/2023
6.6.0 264,013 5/4/2023
6.5.0 354,275 4/20/2023
6.4.0 351,895 4/5/2023
6.3.0 453,837 3/23/2023
6.2.5 448,981 3/9/2023
6.2.4 1,763,797 2/22/2023
6.2.3 171,592 2/8/2023
6.2.2 352,033 1/25/2023
6.2.1 422,759 1/11/2023
6.2.0 381,687 12/14/2022
6.1.0 319,492 11/30/2022
6.0.1 638,774 11/16/2022
6.0.0-rc.3 873 11/10/2022
6.0.0-rc.2 1,256 10/31/2022
6.0.0-rc.1 1,713 10/20/2022
5.81.2 551,057 11/10/2022
5.81.1 204,269 10/31/2022
5.81.0 310,723 10/19/2022
5.80.1 488,382 10/5/2022
5.80.0 834,702 9/7/2022
5.79.0 274,826 8/24/2022
5.78.1 295,833 8/10/2022
5.78.0 550,138 7/21/2022
5.77.0 837,617 7/13/2022
5.76.0 532,947 6/29/2022
5.75.3 508,902 6/15/2022
5.75.2 260,677 6/1/2022
5.75.1 520,569 5/18/2022
5.75.0 422,742 5/4/2022
5.74.0 873,284 4/6/2022
5.73.0 789,679 3/23/2022
5.72.1 526,115 3/9/2022
5.72.0 467,402 2/23/2022
5.71.0 6,292,945 2/9/2022
5.70.1 685,328 1/26/2022
5.70.0 495,127 1/12/2022
5.69.0 795,817 12/15/2021
5.68.2 529,933 12/1/2021
5.68.1 813,336 11/17/2021
5.68.0 266,950 11/3/2021
5.67.0 318,511 10/18/2021
5.66.0 255,249 10/6/2021
5.65.3 380,659 9/22/2021
5.65.2 534,439 9/8/2021
5.65.0 656,243 8/11/2021
5.64.1 316,049 7/28/2021
5.64.0 329,073 7/14/2021
5.63.0 283,408 6/30/2021
5.62.0 336,697 6/16/2021
5.61.1 365,644 6/2/2021
5.61.0 189,970 5/19/2021
5.60.0 388,781 5/5/2021
5.59.0 220,686 4/21/2021
5.58.0 365,904 4/7/2021
5.57.0 587,921 3/24/2021
5.56.0 540,931 3/15/2021
5.55.0 383,568 2/24/2021
5.54.0 372,735 2/12/2021
5.53.1 618,983 1/27/2021
5.53.0 208,226 1/13/2021
5.52.1 837,312 12/16/2020
5.52.0 263,581 12/8/2020
5.51.0 167,846 12/2/2020
5.50.0 646,306 11/18/2020
5.49.0 353,270 11/5/2020
5.48.0 846,386 10/14/2020
5.47.2 544,681 9/28/2020
5.47.1 330,799 9/21/2020
5.47.0 70,480 9/16/2020
5.46.2 341,754 9/3/2020
5.46.1 12,088 9/2/2020
5.46.0 567,632 8/19/2020
5.45.2 341,097 8/5/2020
5.45.1 276,503 7/22/2020
5.45.0 1,262,165 7/8/2020
5.44.0 582,767 6/24/2020
5.43.0 364,737 6/10/2020
5.42.0 356,718 5/27/2020
5.41.1 516,025 5/20/2020
5.41.0 164,770 5/13/2020
5.40.0 327,812 4/29/2020
5.39.1 364,689 4/15/2020
5.39.0 488,332 4/1/2020
5.38.0 397,590 3/18/2020
5.37.6 429,320 3/4/2020
5.37.5 500,280 2/19/2020
5.37.4 353,808 2/5/2020
5.37.3 441,056 1/22/2020
5.37.2 1,323,217 1/8/2020
5.37.1 381,118 12/18/2019
5.37.0 111,444 12/12/2019
5.36.0 252,367 12/4/2019
5.35.1 411,299 11/13/2019
5.35.0 310,727 10/30/2019
5.34.0 159,512 10/16/2019
5.33.1 969,576 10/2/2019
5.33.0 448,846 9/18/2019
5.32.0 231,173 9/4/2019
5.31.4 270,999 8/21/2019
5.31.3 252,804 8/5/2019
5.31.2 112,305 7/24/2019
5.31.1 415,322 7/10/2019
5.31.0 243,117 6/26/2019
5.30.0 308,761 6/12/2019
5.29.1 229,153 5/29/2019
5.29.0 222,797 5/15/2019
5.28.4 186,399 5/1/2019
5.28.3 119,421 4/24/2019
5.28.2 141,610 4/12/2019
5.28.1 4,883 4/12/2019
5.28.0 1,582,073 3/28/2019
5.27.2 135,467 3/15/2019
5.27.1 743,226 3/7/2019
5.27.0 78,586 3/1/2019
5.26.1 174,584 2/16/2019
5.26.0 384,455 2/4/2019
5.25.1 657,766 1/11/2019
5.25.0 11,385 1/10/2019
5.24.1 311,284 1/2/2019
5.24.0 78,167 12/14/2018
5.23.0 211,797 11/30/2018
5.22.0 127,779 11/16/2018
5.21.0 176,920 10/28/2018
5.20.1 618,712 10/16/2018
5.20.0 19,842 10/15/2018
5.19.0 332,625 10/4/2018
5.18.0 33,305 10/2/2018
5.17.0 324,090 9/20/2018
5.16.4 136,191 9/7/2018
5.16.3 165,276 8/31/2018
5.16.2 105,115 8/23/2018
5.16.0 142,392 8/17/2018
5.15.1 83,661 8/9/2018
5.15.0 162,833 8/3/2018
5.14.1 110,792 7/27/2018
5.14.0 189,975 7/16/2018
5.13.8 49,182 7/11/2018
5.13.7 75,696 7/5/2018
5.13.6 35,323 6/29/2018
5.13.5 36,098 6/21/2018
5.13.4 43,884 6/15/2018
5.13.3 143,894 6/5/2018
5.13.2 73,815 5/25/2018
5.13.1 53,935 5/18/2018
5.13.0 511,965 5/11/2018
5.12.1 41,182 5/7/2018
5.12.0 43,970 4/27/2018
5.11.1 65,195 4/20/2018
5.11.0 31,368 4/13/2018
5.10.0 192,879 3/23/2018
5.9.8 95,843 3/10/2018
5.9.7 425,595 2/24/2018
5.9.6 101,924 2/10/2018
5.9.5 70,242 1/31/2018
5.9.4 69,011 1/22/2018
5.9.3 3,499 1/22/2018
5.9.2 317,586 12/16/2017
5.9.1 79,883 12/1/2017
5.9.0 306,818 11/17/2017
5.8.3 234,087 11/11/2017
5.8.2 127,419 11/3/2017
5.8.1 52,116 10/28/2017
5.8.0 87,358 10/20/2017
5.7.2 63,360 10/13/2017
5.7.1 34,979 10/6/2017
5.7.0 38,470 9/29/2017
5.6.5 95,554 9/16/2017
5.6.4 101,087 9/1/2017
5.6.3 276,941 8/25/2017
5.6.2 19,409 8/18/2017
5.6.1 31,505 8/11/2017
5.6.0 100,164 7/27/2017
5.5.3-alpha2 31,043 7/7/2017
5.5.3-alpha1 2,924 7/1/2017
5.5.2 72,438 7/1/2017
5.5.2-alpha1 3,692 6/16/2017
5.5.1 89,757 6/16/2017
5.5.1-alpha1 3,927 5/24/2017
5.5.0 150,338 5/24/2017
5.4.3-alpha1 2,697 5/22/2017
5.4.2 35,724 5/19/2017
5.4.2-alpha1 2,815 5/8/2017
5.4.1 130,145 5/8/2017
5.4.1-alpha1 4,838 4/27/2017
5.4.0 27,318 4/27/2017
5.4.0-alpha1 2,847 4/27/2017
5.3.1-alpha1 5,949 4/17/2017
5.3.0 63,454 4/17/2017
5.2.2-alpha1 2,837 4/13/2017
5.2.1 13,169 4/13/2017
5.2.1-alpha1 11,479 3/31/2017
5.2.0 43,620 3/31/2017
5.1.2-alpha1 3,333 3/21/2017
5.1.1 47,408 3/21/2017
5.1.1-alpha1 3,381 3/9/2017
5.1.0 75,725 3/9/2017
5.0.3-alpha1 3,033 2/24/2017
5.0.2 35,948 2/24/2017
5.0.2-alpha1 2,826 2/24/2017
5.0.1 9,434 2/24/2017
5.0.1-alpha1 3,047 2/22/2017
5.0.0 50,523 2/22/2017
5.0.0-rca4 28,916 2/14/2017
5.0.0-rca3 2,687 2/9/2017
5.0.0-rca2 6,980 12/8/2016
5.0.0-rca1 3,813 11/9/2016
5.0.0-rc9 2,879 11/3/2016
5.0.0-rc8 4,316 9/19/2016
5.0.0-rc7 2,722 9/15/2016
5.0.0-rc6 3,642 9/1/2016
5.0.0-rc4 4,858 7/8/2016
5.0.0-rc2 21,015 6/2/2016
5.0.0-rc10 2,792 11/4/2016
5.0.0-rc1 2,561 6/1/2016
5.0.0-alpha1 2,548 2/22/2017
4.7.2 3,462,275 5/23/2016
4.7.1 305,691 4/5/2016
4.7.0 113,663 3/16/2016
4.5.0 399,703 2/5/2016
4.4.1 316,821 11/26/2015
4.4.0 25,477 11/12/2015
4.4.0-edge 2,641 11/12/2015
4.3.0 19,804 11/11/2015
4.2.1 62,027 10/30/2015
4.2.0 3,275 10/30/2015
4.1.0 198,374 9/24/2015
4.0.51 164,654 8/24/2015
4.0.5 223,660 8/20/2015
4.0.4 34,097 8/12/2015
4.0.3 233,456 5/21/2015
4.0.2 4,649 5/19/2015
4.0.1 6,899 5/14/2015
4.0.0 41,593 4/28/2015
3.8.45-beta 3,991 3/19/2015
3.8.44-beta 2,564 3/19/2015
3.8.40-beta 2,649 3/6/2015
3.8.30-beta 2,629 3/5/2015
3.8.29-beta 2,591 3/5/2015
3.8.28-beta 2,507 3/5/2015
3.8.26-beta 2,592 3/5/2015
3.8.18-beta 3,868 12/19/2014
3.7.55-alpha 7,919 6/4/2014
3.7.54-alpha 2,643 6/4/2014
3.7.53-alpha 2,665 6/4/2014
3.7.51-alpha 2,673 6/4/2014
3.7.50-alpha 2,711 6/4/2014
3.7.48-alpha 2,730 6/4/2014
3.7.46-alpha 2,628 6/4/2014
3.7.45-alpha 2,664 6/4/2014
3.7.44-alpha 2,678 6/4/2014
3.7.43-alpha 2,711 5/31/2014
3.7.40-alpha 2,651 5/31/2014
3.7.39-alpha 2,650 5/31/2014
3.7.38-alpha 2,649 5/31/2014
3.7.37-alpha 2,630 5/30/2014
3.7.35-alpha 2,667 5/30/2014
3.6.29 59,492 4/7/2015
3.6.28 3,555 4/7/2015
3.6.27 86,461 2/26/2015
3.6.26 37,196 2/19/2015
3.6.25 144,662 12/7/2014
3.6.24 24,422 11/14/2014
3.6.23 8,504 11/5/2014
3.6.22 3,663 11/5/2014
3.6.20 39,814 10/10/2014
3.6.19 3,224 10/10/2014
3.6.18 71,274 9/29/2014
3.6.17 27,086 8/28/2014
3.6.16 214,309 5/29/2014
3.6.15 4,262 5/27/2014
3.6.11 97,943 1/25/2014
3.6.10 25,861 11/20/2013
3.6.9 34,537 11/4/2013
3.6.8 3,304 11/4/2013
3.6.7 3,318 11/4/2013
3.6.6 3,270 11/4/2013
3.6.5 22,148 10/21/2013
3.6.4 7,752 10/7/2013
3.6.3 4,100 10/3/2013
3.6.2 5,927 9/30/2013
3.6.1 40,406 9/18/2013
3.5.17 78,577 7/31/2013
3.5.16 5,364 7/20/2013
3.5.15 8,078 7/13/2013
3.5.14 6,898 6/19/2013
3.5.12 11,415 4/10/2013
3.5.11 3,330 4/9/2013
3.5.10 4,357 4/5/2013
3.5.9 3,741 4/4/2013
3.5.8 4,470 3/18/2013
3.5.6 15,791 12/17/2012
3.5.5 12,487 10/25/2012
3.5.4 3,450 10/24/2012
3.5.3 4,335 10/17/2012
3.5.2 3,383 10/17/2012
3.5.1 5,659 8/31/2012
3.5.0 4,182 8/20/2012
3.4.5 8,670 7/12/2012
3.4.4 3,375 7/12/2012
3.4.3 3,523 7/9/2012
3.4.2 18,756 4/18/2012
3.4.1 55,263 4/18/2012
3.4.0 9,219 3/21/2012
3.3.7 4,134 2/15/2012
3.3.6 3,960 2/15/2012
3.3.5 3,360 2/15/2012
3.3.4 3,495 2/7/2012
3.3.3 3,374 2/6/2012
3.3.2 4,638 11/18/2011
3.3.1 3,478 11/18/2011
3.2.3 3,644 10/19/2011
3.2.2 3,561 10/11/2011
3.2.1 3,652 9/28/2011
3.2.0 3,646 9/21/2011
3.1.4 3,620 8/26/2011
3.1.3 3,553 8/9/2011
3.1.0 5,388 7/26/2011
3.0.1 3,978 7/20/2011
3.0.0 74,228 7/17/2011
2.0.2 72,588 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