You are downloading the MoSIP Hybrid XAP file v18.104.22.168 for Windows Phone. MoSIP Hybrid is a free and useful Business app: MoSIP Hybrid for Window Phone is VoIP calling application which also simplifies PINless calling card usage. VoIP services providers can offer this ... You can now download the offline XAP file to install & try it.
Download Locations for MoSIP Hybrid 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 MoSIP Hybrid XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.