[asterisk-users] Asterisk 1.6 ReceiveFAX problem

[MaxGao]

hi,all
i have just set up asterisk 1.6.0.7 rc1 with spandsp 0.0.5 pre4 to ReceiveFAX, link to a E1 (DE410P) using dahdi
this can receive the fax from E1 successfully, but i see many error message in the log like this:

[Mar 16 09:24:38] ERROR[23540] channel.c: ast_read() called with no recorded file descriptor.
 
when i receive a 5 pages fax, i will see this error message over 200 lines.....
 
it seems the  channel.c try to call ast_read(), read some bytes from the channel but there is nothing ...
whether it's a loop to check data on the channel ?
 
 
and many times when reciving tax , the E1 card will down , all the channel get red alarm...
 
[Mar 16 09:49:19] DEBUG[20928] chan_dahdi.c: Monitor doohicky got event Alarm on channel 2
[Mar 16 09:49:19] WARNING[20928] chan_dahdi.c: Detected alarm on channel 2: Recovering
 
 
i then try asterisk 1.4.23.2 and agx-ast-addon , when using  spandsp 0.0.5 and spandsp 0.0.6, like above , sometimes all E1 channel get red alarm when reciving fax....
but use spandsp 0.0.4 get no error...
 
some one can tell me what version of asterisk and spandsp is the best version for fax???

thanks a lot.
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