CHANGES:
improve logging for dspdebug
buffer audio when modem is in command-mode and process it when not
improve pty read speed
improve logging detail
allow spandsp-v17rx fast-train to be more-permissive
update to spandsp-0.0.6
fix problem on some platforms triggered by large clock skips
avoid a bug in libiax2 sometimes after a call ends
patch libiax2 to recognize (but ignore) CallToken
use the S7 register instead of a hard 45-second answer timeout
refactored process management (Federico Heinz)
move call to closedir to resolve problems on BSD (John Bayly)
if the timestamp jumps too much the jitterbuffer ignores it (Ivan Tikhonov)
update to spandsp-20100228
some changes for FreeBSD support to iaxmodem.c
fix more unaligned problems for big-endian systems (libiax2)
if we hang up on a call that is ringing then answer+hangup with IAX2 (Travis Schafer)
The source code for IAXmodem can be downloaded here: http://sourceforge.net/project/showfiles.php?group_id=148814.