Frontier Corp. (Rochester, NY) and WorldPort Communications Inc. (Atlanta, GA) announced a two-year multi-million dollar carrier services partnership. Terms of the agreement call for Frontier to provide WorldPort with applications and private-line services to be carried on the Frontier Optronics Network. WorldPort will use Frontier`s network to interconnect its U.S. switching and other network facilities, and to establish virtual points of presence in more than 100 cities nationwide. IDT Corp. (Hackensack, NJ) signed a $52-million long-term bandwidth and maintenance deal with Frontier. Under the agreement Frontier will supply IDT with nationwide network capacity and additional network facilities to expand IDT`s Internet protocol and voice services. The agreement provides for an OC-3 (155-Mbit/sec) backbone with DS-3 (44.736-Mbit/sec) channels to other major cities.