56K Modem compression

Hi Experts,

Could someone explain compression on 56K modems? Does 56Kb include or exclude compression? In tests, I seem to be able to get download speeds of up to 9 or 10 KB per second from a 56Kb modem; by contrast, I only get about 4.6KB for graphics. What compression algorithms are being used? Gzip? Any help to explain how this works would be greatly appreciated.
metalaureateAsked:
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Yan_westConnect With a Mentor Commented:
Yes your modem uses compression.. If you are downloading a zip file or graphic, it wont work because these are already compressed. anything in text mode (html, txt, etc..) will be compressed..

about compression on a modem

http://www.v92.com/about/v44compression.html
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