WILMINGTON, Del. - Bankrupt Nortel Networks Inc. on May 1 objected to the motion filed by joint administrators of Nortel's bankruptcy estate pertaining to the allocation of $7.5 billion in asset sale proceeds, contending that the interlocutory appeal should not be certified directly to the Third Circuit U.S. Court of Appeals (In Re: Nortel Networks Inc., No. 09-10138, Chapter 11, D. Del. Bkcy.).