123.025 is the air-to-air channel.yes 123.050 is helo-helo channel
Here in the Auburn-Opelika area, I monitor TG 31039 on the AIRS System. The helos and the dispatcher refer to that TG as "AIRCOMM". That dispatcher communicates with medical helicopters in the Florida panhandle, University of South Alabama MedFlight, Lifesaver 3 (Cusseta, AL), Lifesaver 4 (Sylacauga, AL), Lifesaver 5 (?? Location).