Which MGCP message does a Cisco IOS MGCP gateway send t… seenagape 8 years ago Which MGCP message does a Cisco IOS MGCP gateway send to the backup Cisco Unified CMserver when two consecutive keep-alive exchanges failed with the primary Cisco Unified CMserver? A. AUEP B. DLCX C. NTFY D. RSIP E. AUCX ← Previous question Next question →