Within the Voice Elements Dashboard, you can add users to your Premised-Based Server or change username and passwords.
<setting name="VEUsers" serializeAs="Xml">
<value>
<VEUsers>
<VEUser>
<Username>username</Username>
<Password>password</Password>
<Encrypted>0</Encrypted>
</VEUser>
</VEUsers>
</value>
</setting>