You are downloading the InstaVoice XAP file v18.104.22.168 for Windows Phone. InstaVoice is a free and useful Productivity app: InstaVoice provides Free and Unlimited Visual Voicemail, Missed Call Alerts and Voice SMS all in one app to connect you with your friends even when ... You can now download the offline XAP file to install & try it.
Download Locations for InstaVoice 22.214.171.124 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 InstaVoice XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.