CHANGES:
add audiobuflen feature
fix file modification times on spandsp in tarball
stop fast looping after 45 seconds of calling state
1.3.1
fix bug (segfault) on some hangups (Stephan Eisvogel)
support passing "+" in the dialstring
simulate hangup when replay EOF is encountered
The source code for IAXmodem can be downloaded here: http://sourceforge.net/project/showfiles.php?group_id=148814.