AttachPhoneNumber
Authentication
Query parameters
Quantity of phone numbers you want to attach. Required unless phone_number is provided.
The phone number. See the [GetNewPhoneNumbers] method. Required unless phone_count is provided.
The phone category name. See the [GetPhoneNumberCategories] method
The country state. See the [GetPhoneNumberCategories] and [GetPhoneNumberCountryStates] methods
The phone region ID. See the [GetPhoneNumberRegions] method