I had a problem with the Abort T/O feature this morning. I was on cleared to takeoff on runway 15R at KIAH. I was cleared to takeoff. An AI plane was crossing the active and stopped on the runway. I did an Abort T/O. RC told me to clear runway and contact ground. My co-pilot had the comms. Co-pilot was unable to contact ground as no option to contact ground was in the menu. Only options in menu are Main-0 and that function does nothing. Only other information in the AdvDisplay window is first waypoint. 73m/185/0I proceeded to taxi to the other end of the runway for a 33L takeoff but never got any time of clearance or hold instructions. I was just testing to see what would happen. I took off and RC told me to contact departure but co-pilot unable as no option was available to contact departure in advdisplay.Any ideas?Flight plan is:KIAH NGP1 NGP BRO MAM CVM J21 PCA UJ19 CUA UJ15 ACA MMAAThanks,

try it without the rc co-pilot on commsjd