Hi Larry,

thank you for your answer.

This is same test I did. After this I lowered again to 4800...result: iaxmodem receives at 9600 b/s.....that's why I cannot solve the puzzle.

I put that line (Class1RMQueryCmd: "!24,48,72") in config.IAXtty and tried other configuration files too but I always get faxes at 9600.

Thank you

Giorgio

On 05/16/2012 03:59 PM, Larry Moore wrote:
Read the subject line more closely.

Tested receiving too,

I set the Send & Receive speed of the receiving analogue modem to that below, the log file on the sending modem (iaxmodem) reported it capable of 9600.

May 16 21:32:04.28: [ 2335]: REMOTE best rate 9600 bit/s
May 16 21:32:04.28: [ 2335]: REMOTE max A3 page width (303 mm)
May 16 21:32:04.28: [ 2335]: REMOTE max unlimited page length
May 16 21:32:04.28: [ 2335]: REMOTE best vres R16 x 15.4 line/mm
May 16 21:32:04.28: [ 2335]: REMOTE format support: MH, MR, MMR
May 16 21:32:04.28: [ 2335]: REMOTE supports T.30 Annex A, 256-byte ECM
May 16 21:32:04.28: [ 2335]: REMOTE best 0 ms/scanline
May 16 21:32:04.28: [ 2335]: USE 9600 bit/s

Perhaps the issue is with Hylafax.

Setting the Transmit & Receive strings to "!24,48,72,96" seems to yield the most reliability in transmission

Cheers,

Larry.

On 16/05/2012 7:23 PM, Larry Moore wrote:
I have iaxmodem version 1.2.0 installed on my system.

I have set the following in the IAX configuration file, SIGHUP'd FaxGetty and submitted a single page outbound fax via Asterisk;

Class1RMQueryCmd: "!24,48,72" # enable this to disable V.17 receiving Class1TMQueryCmd: "!24,48,72" # enable this to disable V.17 sending

The resulting output from my T.38 Gateway reports the following;

    -- Connection Statistics
        Bit Rate :7200
        ECM : No
        Pages : 1
    -- Hungup 'IAX2/iaxmodem0-11055'

I also tested with the maximum speed set to 4800, the image was received however the responses to EOP timed out, I don't know if the is to do with my Asterisk T.38 gateway or my VoIP providers T.38 gateway. The result was the fax was retried for the defined number of attempts.

Cheers,

Larry.

On 16/05/2012 6:28 PM, gincantalupo wrote:
Hi all,

I'm trying to lower my iaxmodem speed but still I haven't found any 
solution...I tried to add
Class1RMQueryCmd:       "!24,48,72"
to config.IAXtty but does not work...Hylafax says it it running at 9600 
(sometimes at 14400) baud..

Any ideas?

Thank you.

Giorgio


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