How To Install Microsip On Linux -

mkdir -p ~/apps/microsip
unzip ~/Downloads/MicroSIP-portable-x86.zip -d ~/apps/microsip

export WINEPREFIX="$HOME/.wine-microsip"
wine ~/apps/microsip/microsip.exe

This method works on almost any Linux distribution and offers the best compatibility.

If Wine approach is undesirable, consider native Linux SIP clients: How To Install Microsip On Linux