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With HylaFax 4.3.1 I am using a Multitech 5634ZPX, which, according to the technical manual, fully supports the Error Correction Mode (ECM). However, when HylaFax is started (class 2.1), I see this in the log file: FaxGetty[1318]: MODEM Supports no ECM FaxGetty[1318]: MODEM Supports T.30 Annex A, 64-byte ECM FaxGetty[1318]: MODEM Supports T.30 Annex A, 256-byte ECM Also, when sending a fax (class 2.1), the log does not explicitly state that ECM is being used: Jan 02 08:42:55.13: [ 971]: REMOTE best rate 31200 bit/s Jan 02 08:42:55.13: [ 971]: REMOTE max A4 page width (215 mm) Jan 02 08:42:55.13: [ 971]: REMOTE max unlimited page length Jan 02 08:42:55.13: [ 971]: REMOTE best vres 15.4 line/mm Jan 02 08:42:55.13: [ 971]: REMOTE format support: MH, MMR Jan 02 08:42:55.13: [ 971]: REMOTE supports T.30 Annex A, 256-byte ECM Jan 02 08:42:55.13: [ 971]: REMOTE best 10 ms/scanline Jan 02 08:42:55.13: [ 971]: USE 31200 bit/s Jan 02 08:42:55.13: [ 971]: SEND file "docq/doc1.tif;71" Jan 02 08:42:55.13: [ 971]: USE A4 page width (215 mm) Jan 02 08:42:55.13: [ 971]: USE unlimited page length Jan 02 08:42:55.13: [ 971]: USE 7.7 line/mm Jan 02 08:42:55.13: [ 971]: USE 1-D MH Jan 02 08:42:55.13: [ 971]: USE 10 ms/scanline There is no problem, but just to satisfy my curiosity, why does the log indicate "Supports no ECM" and are the faxes being sent using ECM? Andrew Kalten ____________________ HylaFAX(tm) Users Mailing List _______________________ To subscribe/unsubscribe, click http://lists.hylafax.org/cgi-bin/lsg2.cgi On UNIX: mail -s unsubscribe hylafax-users-request@xxxxxxxxxxx < /dev/null *To learn about commercial HylaFAX(tm) support, mail sales@xxxxxxxxx*