Exhibit 10.29(a) MCI TELECOMMUNICATIONS CORPORATION SECOND AMENDMENT TO THE MASTER AGREEMENT FOR MCI ENHANCED SERVICES AGREEMENT No. ___________________ Date: September 10, 1997 with:Master Agreement for Mci Enhanced Services • March 17th, 1998 • Galileo International Inc • Services-computer processing & data preparation
Contract Type FiledMarch 17th, 1998 Company Industry
EXHIBIT 10.17 MASTER AGREEMENT FOR MCI ENHANCED SERVICES This Master Agreement for MCI Enhanced Services, together with the ESA Schedules annexed hereto (collectively, the "Agreement"), is made, effective as of the Effective Date (as defined in...Master Agreement for Mci Enhanced Services • July 31st, 1997 • Concentric Network Corp • Telephone communications (no radiotelephone) • New York
Contract Type FiledJuly 31st, 1997 Company Industry Jurisdiction
EXHIBIT 10.17 MASTER AGREEMENT FOR MCI ENHANCED SERVICES This Master Agreement for MCI Enhanced Services, together with the ESA Schedules annexed hereto (collectively, the "Agreement"), is made, effective as of the Effective Date (as defined in...Master Agreement for Mci Enhanced Services • June 4th, 1997 • Concentric Network Corp • Telephone communications (no radiotelephone) • New York
Contract Type FiledJune 4th, 1997 Company Industry Jurisdiction