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Google's common Java, C++ and Java Script library for parsing, formatting, and validating international phone numbers.The Java version is optimized for running on smartphones, and is used by the Android framework since 4.0 (Ice Cream Sandwich).The rules and conventions used to print international phone numbers vary significantly around the world, so it’s hard to provide meaningful validation for an international phone number unless you adopt a strict format.Fortunately, there is a simple, industry-standard notation specified by ITU-T E.123. This regular expression follows the international phone number notation specified by the Extensible Provisioning Protocol (EPP).
Identify whether a phone number is a landline, free phone, Vo IP phone, or even a mobile phone.This lets you not only target a mobile outreach campaign to either SMS or telephone, but also consider the type of phone in order to remain compliant with regulations such as the Telephone Consumer Protection Act (TCPA).This is how you parse/normalize it into a is a class that is auto-generated from the phonenumber.proto with necessary modifications for efficiency.For details on the meaning of each field, refer to https://github.com/googlei18n/libphonenumber/blob/master/resources/phonenumber.proto Now let us validate whether the number is valid: More examples on how to use the library can be found in the unittests at https://github.com/googlei18n/libphonenumber/tree/master/java/libphonenumber/test/com/google/i18n/phonenumbers Several people are porting the phone number library to other languages. Note that they are done on voluntary basis by developers outside our project, so we cannot guarantee their quality.Demo the API Not only verify the accuracy of contact’ phone numbers, but also know more about your customers and prospects.