However, I must inform you that is freeware . It is a free utility used to modify the voicepacks in Flight Simulator X, Flight Simulator 2004, and Prepar3D (P3D) to correct call signs or add new ones.
: Advanced users can use the interface to create their own telephony designators or unique airport names, allowing for full customization of the ATC environment. Pros and Cons Pros Cons Significantly improves immersion for international flying. Does not change the actual accents of the flight crews. Easy-to-use wizard for "one-click" simulator updates. -P3D- EditVoicepack XL -5.5.15- SKIDROW
For a safer and more reliable experience, you can download the official EditVoicepack XL directly from the developer’s website. However, I must inform you that is freeware