Photographic term ISDN (Integrated Services Digital Network) SWPPThe new cloth-covered Event Books in four styles

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Term - ISDN (Integrated Services Digital Network)

ISDN (Integrated Services Digital Network)SWPP Photographic Glossary

Saturday 10th December 2016  



The Annual Convention
with a huge list of
cutting edge speakers from
4 continents.

Image Competition
Free entry for SWPP members.

Free Information Pack

Qualifications - An Overview

Colin T Jones Website Design

ISDN (Integrated Services Digital Network)

A telephone connection used mostly by businesses because it allows data files to be transmitted at about twice the speed of normal telephone lines. It costs about 50 to convert a line and costs about 40 per month rental.


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Tel  01745 356935
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22/08/2016 11:04:06