You are downloading the Call XAP file v5.0.0.0 for Windows Phone. Call is a free Business App: Create a list of phone calls you need to call.Gather them neatly in one list and call them one by one for example in a car on train when You have better. You can now download the offline XAP package file to install & try it.
Download Locations for Call 5.0.0.0 XAP file
Package File
Please Click Here > to retrieve available package files for Call.
Please be aware that the Call XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about Call or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Call XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.