You are downloading the Join Conference XAP file v22.214.171.124 for Windows Phone. Join Conference is a free and useful Utilities & Tools app: Join Conference, a Microsoft Garage project, makes it easy to dial into conference calls. No more switching to the calendar app, remembering the ... You can now download the offline XAP file to install & try it.
Download Locations for Join Conference 126.96.36.199 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Join Conference XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.