Top 20 NuGet telephone Packages

Xamarin.Android bindings for Mukesh Solanki's Country Picker. A simple library that displays a beautiful list of all the countries allowing the user to pick the country he wishes and provide details like country code, ISO code name, currency and flag.
Xamarin.Android bindings for maayyaannkk's CountryPicker, a library to get country data (eg. ISD code, country code, name) from list of countries
ContactPoint IP Phone SIP client implementation
ATAPI is a .NET managed library wrapper for working with the Windows Telephony API (TAPI2).
Provides validation and normalization for phone numbers. with respect to E.164 (an international standard (ITU-T Recommendation), titled The international public telecommunication numbering plan)
Phone Manager Personalisation Groups plugin is an Umbraco package to add a Phone Manager criteria item to the Personalisation Groups package. Using this it is possible to personalise your site based on the selected Phone Manager campaign.
Umbraco Phone Manager is an Umbraco package to manage and display marketing campaign phone numbers on your site to your customers. Based on various criteria, a relevant telephone number can be automatically displayed to each customer visiting your website based on how they got there.
ATAPI is a .NET managed library wrapper for working with the Windows Telephony API (TAPI2).
CrossPlatformLibrary.Messaging is a plug-in for platform-independent communication (email, telephone, sms).
Service Objects DOTS Telephone Verification Libraries utilizing best practices with fail over configuration. This package can be used to call the Service Objects web Service Telephone Verification. This service can be used to verfiy phone numbers by verifying provider information, SMS or phone call ...
Total IP SDK. Total IP is a brasilian company that supply digital PBX services. This SDK allows you to build custom applications using the Total IP API (HTTP, SOCKET and database).
Apply Data8 advanced email address and telephone number validation and format standardization for common data types in ASP.NET MVC