E164standardin
The E.164 standard defines a numbering plan for the public switched telephone network and other data networks. It specifies a maximum of 15 digits for an international telephone number. This includes the country code, national destination code, and subscriber number. The standard ensures that telephone numbers are unique worldwide, facilitating international call routing.
E.164 was developed by the International Telecommunication Union Telecommunication Standardization Sector (ITU-T). It is a crucial
The E.164 standard is fundamental for services such as Voice over Internet Protocol (VoIP) and international