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ISDN switeches & Gateways

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5 replies

by pardarling

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Dear sirs,
I have an idea and I want to implement it,
I have heard somethings about ISDN gateways and ISDN switches
bitween analog telephone lines and isdn lines.
I want use my analog lines as ISDN lines by using an
interface (ie. ISDN switch).
Is it possible or is there any solution for this ?
would you please help me, or guide me to some useful
resources ?

Best Regard

5 replies

by ebob

The ISDN support must come from your PTT. You cannot simply stick some black boxes (e.g., "ISDN switches") on some analogue phone lines and treat them as ISDN.

Probably not the answer you wanted to hear.

by james r linn

Bob is correct.

An ISDN router only works if
a) your telephone company configures your incoming lines for it.
b) Your central office (local telephone co switching centre) switch supports it(most do these days)

b) and only if you are within a certain minimum distance from the Central Office. When I was setting up ISDN routers 5 years ago it was offically 7 kilometers, but some people did stretch that.

I'm sure there must be guides to ISDN out there on the net. These days ISDN doesn'tmake much sense for home use, as DSL is usually cheaper and faster.

James

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