Hello
This is update instruction from WCS 5.0 to WCS 5.1
1. Convert existing WCS 5.0 structure for WCS 5.1.
Download 5.1 build, unzip.
cd FlashphonerWebCallServer-5.1.x/tools
./update.sh
2. Run install.sh
If you have any troubles, you have to downgrade back to 5.0 then repeat steps above.
Or...