You are downloading the Sipzen XAP file v18.104.22.168 for Windows Phone. Sipzen is a free and useful Social app: 1. Faster Registration2. Call to others is more easier3. Add to contact(new / existing)4. Add picture to contact5. Show picture of ... You can now download the offline XAP file to install & try it.
Download Locations for Sipzen 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Sipzen XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.