New article"L3Harris serves as the prime subcontractor to Airbus for the A220, A320 and A330 for the enablement of Iridium voice and data services. FLYHT has been subcontracted by L3Harris to provide aircraft modifications to the baseline version of the AFIRS 228 to meet the human machine interface (HMI) requirements of the A220 cockpit design philosophy, a representative for L3Harris told Avionics International."
https://www.aviationtoday.com/2019/08/16/airbus-a220-gets-new-iridium-satcom-option/