Re: [hylafax-users] JPEG and JBIG send/recieve support . . .

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Roberto Garuti wrote:

> To completely disable JPEG and JBIG send/recieve support is enough to 
> insert into che config.ttyXY files the following rows ?
>
> Class1ColorJPEGSupport: no
> Class1JBIGSupport: no


Well, there also is "Class1GreyJPEGSupport: no" also.  But unless you 
patched libjpeg and libtiff for ITULAB JPEG support in the first 
place... you wouldn't need to do anything about the Class1*JPEGSupport.

> After setting these configs, if one sender supports these transmission 
> formats send us a fax what happens ?


The sender will need to use monochrome MH, MR, or MMR per your 
configuration.

> I mean: during the initial handshake between two faxes, the one that 
> can perform the most "powerful" transmission adapt its transmission 
> protocol, speed, resolution etc. to the one less "powerful" ? 


Basically, yes.  The receiver presents a list of capabilities to the 
sender, and the sender is allowed to select which capabilities to use.

Thanks,

Lee.


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