EX-4
from SC 13D/A
1 page
<page> Joint Filing Letter Agreement Pursuant to Rule 13d-1(f)(1) Promulgated by the Securities and Exchange Commission Under the Securities Exchange Act of 1934, as Amended, the Undersigned Hereby Consent to the Joint Filing of a Single Schedule 13d Statement on Their Behalf and to the Joint Filing of Any Single Amended Schedule 13d Statements Thereto. the Undersigned Hereby Further Agree That This Statement May Be Executed in Any Number of Counterparts, Each of Which When So Executed Shall Be Deemed to Be an Original, but All of Which Counterparts Shall Together Constitute but One and the Same Instrument. Signature Dated as Of: Nynex Corporation /S/ Darlene D. Kleiner Name: Darlene D. Kleiner Title: Assistant Secretary March 29, 1995 Bell Atlantic Corporation /S/ P. Alan Bulliner Name: P. Alan Bulliner Title: V.P.-CORP. Secy & Counsel March 29, 1995 Nynex Mmds Holding Company /S/ Darlene D. Kleiner Name: Darlene D. Kleiner Title: Secretary March 29, 1995 Mmds Holdings II, Inc. /S/ Michelle A. Arrington Name: Michelle A. Arrington Title: Secretary March 29, 1995 Banx Partnership By: Nynex Mmds Holding Company, as General Partner /S/ Darlene D. Kleiner Name: Darlene D. Kleiner Title: Secretary March 29, 1995 Nyfs10...:\86\65886\0021\1708\ltr1227v.270
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