Customizing Error Messages Shown for Phone Enrollment - New Universal Login

This article explains the source of the phone number validation and resulting error messages on the New Universal Login page when a user attempts to enter a phone number that is less than 4 digits, more than 30 digits, or contains characters.

One of the following errors may be seen:

Could not start voice call. Please try again later.

or

Could not send SMS. Please try again later.

• New Universal Login Page
• Validation Error

Currently, the New Universal Login page performs the following validations before any further checks or hooks are called:

• The phone number (not including country code) has a minimum length of 4
• The phone number (including country code) has a maximum length of 30 (and the text field will only accept 30 characters)
• The phone number provided must only consist of digits

These validation steps and the resulting errors are not customizable.

However, if a custom hook is used for sending SMS or Voice calls, it is possible to use a custom error type for numbers that pass the basic validation mentioned above:

cb(new SendPhoneMessageError("CUSTOMIZED_ERROR_TEXT", err))

• It is also possible to use the context.language parameter available in hooks to localize this error