in src/objects/serverside/utils.js [200:213]
static normalizePhone (phone_number: string) {
// Remove common characters occuring as part of the phone numbers.
phone_number = phone_number.replace(PHONE_NUMBER_IGNORE_CHAR_SET, '');
if (ServerSideUtils.isInternationalPhoneNumber(phone_number)) {
phone_number = phone_number.replace(PHONE_NUMBER_DROP_PREFIX_ZEROS, '');
}
if (phone_number.length < 7 || phone_number.length > 15) {
throw new Error("Invalid phone number format for the passed phone number:'" + phone_number + "'.Please check the passed phone number format.");
}
return phone_number;
}