Numbers are the way you communicate with your customers for both SMS and Voice.

Ytel goes to great lengths to make sure the numbers you purchase are ready for nationwide SMS and Voice delivery. We also follow an E.164 formatting profile for our numbers.

E.164 is an international standard, titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network and some other data networks. E.164 defines a general format for international telephone numbers.

You can read more about E.164 on Wikipedia.

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