$ apt-get install freetds-dev tdsodbc php5-sybase
$ nano /etc/odbcinst.ini
[FreeTDS]
Description = FreeTDS 0.61-5 Deb
Driver = /usr/lib/odbc/libtdsodbc.so
Setup = /usr/lib/odbc/libtdsS.so
FileUsage = 1
CPTimeout = 5
CPReuse = 5
$ nano /etc/odbc.ini
[Products]
Description = Products on The MSSQL Server
Driver = FreeTDS
Servername = FSData
Database = Products
Port = 1433