MCI Communications Corporation v. American Telephone & Telegraph Company and the Bell Telephone Company of Pennsylvania

OPINION OF THE COURT

VAN DUSEN, Circuit Judge.

This appeal challenges a December 31, 1973, district court order granting a mandatory preliminary injunction in the nature of mandamus, pursuant to 47 U. S.C. § 406, 1 ordering defendants to provide plaintiffs with four specific types of interconnection services 2 and “such other interconnection facilities as are necessary to enable plaintiffs to furnish the interstate services they are authorized by the FCC to perform.” Plaintiffs 3 (referred to in this opinion frequently as MCI) provide intercity transmission capability by microwave facilities,…