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Re: [hylafax-users] 4.2.0, topic, always "HDLC frame too short (0 bytes)"



On 2004.10.22 09:04 Giulio Orsero wrote:
Version 4.2.0 + cvs20041001 (I see there are no apparent related
changes in
latest cvs)
Linux rh6x
Modem topic chipset.

This particular destination (couldn't get make/model) always fails
with the
above error, both xonxoff and hardware flow control.

Do you think this is modem related? If you send to that faxno with
normal
fax machine the fax goes throuigh.

Oct 22 18:04:24.81: [10534]: <-- [9:AT+FRH=3\r]
Oct 22 18:04:24.81: [10534]: <-- <8:41 54 2B 46 52 48 3D 33>
Oct 22 18:04:24.81: [10534]: <-- <1:0D>
Oct 22 18:04:25.36: [10534]: --> <11:0D 0A 43 4F 4E 4E 45 43 54 0D 0A>
Oct 22 18:04:25.36: [10534]: --> [7:CONNECT]
Oct 22 18:04:27.77: [10534]: --> <8:FD 10 03 0D 0A 4F 4B 0D>
Oct 22 18:04:27.77: [10534]: --> [3:FD 10 03]
Oct 22 18:04:27.78: [10534]: --> <1:0A>
Oct 22 18:04:27.78: [10534]: --> [2:OK]
Oct 22 18:04:27.78: [10534]: HDLC frame too short (0 bytes)

You could test with another modem to see if it is modem-related.


It looks as if the modem is not detecting the V.21 data until near the end of the HDLC frame data, so it's only picking up a few bytes. Anything less than 4 bytes will trigger the "HDLC frame too short (0 bytes)" error message. It could be a bizarre incompatibility between the modulators.

Lee.

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