(a) Sua sponte or on motion of any party and a showing of good cause, after reasonable notice to all parties to allow them to object and argue against the procedure, the administrative law judge may conduct all or part of a hearing by telephone or other electronic means. In determining whether to allow testimony by telephone or other electronic means, the administrative law judge shall consider all relevant factors including whether the motion is opposed, the cost and feasibility of the witness being present at the hearing instead of appearing by telephone or other electronic means, the nature and duration of the expected testimony, the nature of any exhibits expected to be introduced through the witness, whether there is a good reason that the witness is unavailable to testify in person, and the extent to which the demeanor and credibility of the witness are likely to be significant factors in weighing the witness' testimony. In deciding a motion under this section, the administrative law judge shall ensure that substantive and procedural rights of all parties are respected.(b) Documentary evidence to be offered during a telephone hearing must be delivered by the proponent to all parties and to the administrative law judge prior to hearing.(c) In a telephone hearing, the administrative law judge may consider the following as a failure to appear if the conditions exist for more than 20 minutes after the scheduled time for hearing:(1) failure to answer the telephone;(2) failure to free the telephone for a hearing; or(3) failure to be ready to proceed with the hearing as scheduled.