Update destination of telephone number

Update the destination that gets calls from this telephone number.<br/><br/> One example destination is an END_USER, which results in the user's devices ringing and potentially connecting a call. Another potential destination is one of our automated systems handling the incoming call.<br/><br/> If an END_USER is the destination, and the assignAsCallerId value is "true", this call also updates the enduser calleridConfig with the phone number and sets the visibility to true.<br/><br/> This is just a convenience method, the same thing can be accomplished using <a href="#/~operation/Telephone%20Number/updateTelephoneNumberOnAccount">updateTelephoneNumberOnAccount</a>, but which requires the full telephone number account object.