The call routing scandal, as I had predicted would not die. Now MCI has struck back and is blaming Cingular and Verizon for pull some stunts, The Wall Street Journal reports

bq.In a Sept. 9 letter to the FCC reviewed by The Wall Street Journal, an MCI outside attorney said two wireless carriers, Verizon Wireless and Cingular, employed small third-party companies to send calls using Internet-technology protocols. The MCI letter accuses these “least-cost routing” firms of transmitting phone calls without the supporting data that determines whether a long-distance or local fee will be paid to complete it.