EXHIBIT 10.20 BILLING AND MIS SERVICES AGREEMENT THIS AGREEMENT dated as of the 1st day of July, 1997, by and between ARMSTRONG HOLDINGS, INC., a Delaware corporation ("Armstrong") and FACILICOM INTERNATIONAL, L.L.C. ("FaciliCom"). WHEREAS, FaciliCom...Billing and Mis Services Agreement • May 1st, 1998 • Facilicom International Inc • Telephone communications (no radiotelephone) • Pennsylvania
