[Bug 950] COMREC invalid response received to PPS

http://bugs.hylafax.org/show_bug.cgi?id=950





------- Comment #1 from [email protected]  2012-03-14 19:58 -------
In the spirit of full disclosure...

On a system with 8739 send session logs running HylaFAX+ 5.5.1 I found 23
instances of "COMREC invalid response received to PPS" in the fashion described
by this bug report (where the response was DCN).  In some cases multiple
sessions represent the same job (so some of the same receivers responded the
same way multiple times).

On a separate system with 5983 send session logs also running HylaFAX+ 5.5.1 I
found only one instance of this occurring (and that was to a remote system
running T.38).

My suspicion is that this sequence may not be limited to instances where the
T.4 or T.6 image data is corrupt, but it may also occur for various conditions
of the receiver (such as out-of-paper).  We'd really need to have the
cooperation of the receiver to be able to properly confirm that there is no
error on the receive-side in these situations.

So while there are a substantial number of fixes in HylaFAX+, and while I have
no doubt that one or more of those fixes may be related to resolving some
instances of this problem, I don't want anyone believing that the problem will
never occur with HylaFAX+ because I do see it once in a great while.


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