public void setPhoneNumber(String phoneNumber) {
        this.phoneNumber = phoneNumber;
    }
<p>
The phone number associated with the registration in E.164 format.
</p>

@param phoneNumber
       The phone number associated with the registration in E.164 format.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/RegistrationAssociationMetadata.java