Exhibit 10.15.1 RELEASE, WAIVER, AND ASSUMPTION AGREEMENT ----------------------------------------- This Release, Waiver, and Assumption Agreement is made as of December 31, 1997 between Southern Development and Investment Group, Inc., a Georgia...Release, Waiver, and Assumption Agreement • March 30th, 1998 • Itc Deltacom Inc • Telephone communications (no radiotelephone)
