Re: [hylafax-users] class1 modem and modem capabilities

[Lee Howard <faxguy@deanox.com>]

At 09:43 AM 7/14/01 +0200, Giulio Orsero wrote:

>at+ftm=?
>3,24,48,72,73,74,96,97,98,121,122,145,146

My mistake.  These are transmit speeds.

>I thougth that with class1, 2d was HylaFAX resposability altogether, so
that it
>should not matter what the modem says.

I believe that you are right.

>My class1 modems attached to HylaFAX advertise 2-D MR as they maximum
encoding
>when receiving. 
>When HylaFAX contacts a real fax machine that claims it supports 2-D MMR it
>records "supports2DEncoding:yes" in info/XXX, that is the same thing it
records
>when the remote end says "2-D MR", so how can HylaFAX does something
different
>when encoding stuff?

It would seem that HylaFAX is incapable of 2-D MMR in Class 1.

Jun 20 15:34:54.69: [16624]: REMOTE best format 2-D MMR
Jun 20 15:34:54.69: [16624]: REMOTE supports T.30 Annex A, ECM
Jun 20 15:34:54.69: [16624]: REMOTE best 10 ms, 5 ms/scanline
Jun 20 15:34:54.69: [16624]: USE 14400 bit/s
Jun 20 15:34:54.69: [16624]: USE 10 ms, 5 ms/scanline
Jun 20 15:34:54.69: [16624]: SEND file "docq/doc778.ps;01"
Jun 20 15:34:54.69: [16624]: USE page width 1728 pixels in 215 mm
Jun 20 15:34:54.69: [16624]: USE unlimited page length
Jun 20 15:34:54.69: [16624]: USE 7.7 line/mm
Jun 20 15:34:54.69: [16624]: USE 1-D MR

Jul 14 03:48:16.87: [16564]: REMOTE best format 2-D MMR
Jul 14 03:48:16.87: [16564]: REMOTE supports T.30 Annex A, ECM
Jul 14 03:48:16.87: [16564]: REMOTE best 20 ms, 10 ms/scanline
Jul 14 03:48:16.87: [16564]: USE 14400 bit/s
Jul 14 03:48:16.87: [16564]: USE 20 ms, 10 ms/scanline
Jul 14 03:48:16.87: [16564]: SEND file "docq/doc6112.ps;41"
Jul 14 03:48:16.87: [16564]: USE page width 1728 pixels in 215 mm
Jul 14 03:48:16.87: [16564]: USE unlimited page length
Jul 14 03:48:16.87: [16564]: USE 7.7 line/mm
Jul 14 03:48:16.87: [16564]: USE 2-D MR

HylaFAX will not choose to "USE 2-D MR" unless it has faxed to there before
and knows the  capabilities of the remote.  But at *no* time do my Class 1
modems "USE 2-D MMR".

>Even if modem is class1 I've tried
>Class2DCCQueryCmd:      "!(0,1),(0-5),(0-4),(0-2),(0,3),(0),(0),(0-7)"
>So that 0,3 should mean 2-D MMR, but no luck.

I don't think that a Class 2 command will be used or of any use while in
Class 1.

Lee.



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