Glossary

E.164

E.164 is a telephone numbering plan that works directly with the PSTN to make sure each device has a completely unique number. E.164 also ensures that text messages and phone calls are routed to their correct locations, even in different countries. These numbers are formatted with a + at the beginning of the telephone number, followed by the country code and the telephone number with area code included.

Where We Talk About E.164

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