FreeTDM Sangoma ISDN Library Installation
You can download the latest Sangoma ISDN Library here:
32-bit library: ftp://ftp.sangoma.com/linux/libsng_isdn/libsng_isdn-current.i686.tgz
64-bit library: ftp://ftp.sangoma.com/linux/libsng_isdn/libsng_isdn-current.x86_64.tgz
Untar the downloaded tarball
#>tar xfz libsng_isdn-current.<arch>.tgz
Install the library
#>cd libsng_isdn-<version>.<arch>
#>make install