Okla. Stat. tit. 43, § 43-551-111: Taking testimony in another state

TAKING TESTIMONY IN ANOTHER STATE

A. In addition to other procedures available to a party, a

party to a child custody proceeding may offer testimony of witnesses

who are located in another state, including testimony of the parties

and the child, by deposition or other means allowable in this state

for testimony taken in another state. The court on its own motion

may order that the testimony of a person be taken in another state

and may prescribe the manner in which and the terms upon which the

testimony is to be taken.

B. A court of this state may permit an individual residing in

another state to be deposed or to testify by telephone, audiovisual,

or other electronic means before a designated court or at another

location in that state. A court of this state shall cooperate with

courts of other states in designating an appropriate location for

the deposition or testimony.

C. Documentary evidence transmitted from another state to a

court of this state by technological means that do not produce an

original writing may not be excluded from evidence on an objection

based on the means of transmission.