[Asterisk-Users] E1 and/or Euro-ISDN specifications?

[Daniel Nyström]

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What's exactly Euro-ISDN? Is it G.931? I don't really get this.
Is there a Q/G/E document for Euro-ISDN?
I've downloaded two out of three fron ITU, so I would like to know for
sure! :)

Thanks!

Peter Svensson wrote:

| On Tue, 15 Feb 2005, Daniel Nyström wrote:
|
|> Where can I get E1 and/or Euro-ISDN specifications/data sheets?
|> Are there specs for other E./G./Q./etc. protocols as well?
|
|
| The specifications are built one on top of another. Each just lists
| the changes and clarifications relative to the underlaying
| specification. E.g. for the Swedish incumbent operator Telia you
| have:
|
| * Telia ISDN Notes for Suppliers * ETSI specifications (e.g. ETSI
| ETS 300 403 01 etc) * ITU specifications (e.g. Q.931, Q.921 and
| lots and lots of others)
|
| The Telia implementation specification is free, as are the ETSI
| specification (at least for some uses). The ITU specifications are
| a bit expensive, but you can download three for free.
|
| Most of the time the ITU specifications are at the "bottom level",
| but not always.
|
| Peter
|
|
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