WriteRegStr HKCR "sip" "" "URL:sip Protocol"
WriteRegStr HKCR "sip" "URL Protocol" "" 
WriteRegExpandStr HKCR "sip\DefaultIcon" "" "@LINPHONE_DESKTOP_DIR@/assets/linphone.ico,1"
WriteRegStr HKCR "sip\shell" "" "open"
WriteRegStr HKCR "sip\shell\open" "" "command"
WriteRegStr HKCR "sip\shell\open\command" "" "$INSTDIR\bin\linphone.exe $\"%1$\""

WriteRegStr HKCR "sip-linphone" "" "URL:sip-linphone Protocol"
WriteRegStr HKCR "sip-linphone" "URL Protocol" ""
WriteRegExpandStr HKCR "sip-linphone\DefaultIcon" "" "@LINPHONE_DESKTOP_DIR@/assets/linphone.ico,1"
WriteRegStr HKCR "sip-linphone\shell" "" "open"
WriteRegStr HKCR "sip-linphone\shell\open" "" "command"
WriteRegStr HKCR "sip-linphone\shell\open\command" "" "$INSTDIR\bin\linphone.exe $\"%1$\""