Уровень 0 · материалов: 3
В кластер входят документы, посвященные техническому устройству, стандартам и методам проверки телефонных номеров, но не общие инструкции по использованию телефонии.
Общие признаки: форматы телефонных номеров, технические стандарты нумерации, идентификация операторов и регионов
Группа выше: SIM-карты, номера и SMS
Смысл: The main idea is to describe the technical and bureaucratic workflow for accurately identifying a Russian phone number's operator and region, accounting for both the official numbering plan and the complexities of number portability.
A guide on identifying Russian phone operators and regions using the Rossvyaz numbering plan and the BDPN database for ported numbers.
Смысл: The main idea is to provide and refine a regular expression for validating Russian phone numbers in various common formats.
A developer shares and iteratively improves a regular expression for validating multiple phone number formats based on community feedback.
Смысл: The main idea is to explain the technical and historical logic behind international phone numbering standards (E.123/E.164), detailing how country codes, regional codes, and subscriber numbers combine to create a unique global identifier.
An educational guide explaining the history and technical structure of international phone numbers, including country and regional codes.