< http://www.soft-switch.org/downloads/spandsp/old/spandsp-0.0.3.tgz 404 Not Found > http://www.soft-switch.org/ ok > http://www.soft-switch.org/downloads/spandsp/spandsp-0.0.3.tgz ok > http://www.soft-switch.org/downloads/spandsp/spandsp-0.0.4pre15.tgz ok > http://www.soft-switch.org/downloads/spandsp/spandsp-0.0.5pre3.tgz ok