[asterisk-users] PRI suppliers in Switzerland

[Grygoriy Dobrovolskyy]

That's why it is confusing call it E1 and i will be happy

2008/3/9, Hans Witvliet <hwit at a-domani.nl>:
>
> On Sat, 2008-03-08 at 23:24 +0100, Grygoriy Dobrovolskyy wrote:
> > I had same problem in france, not much choice, i have ordered from
> > germany http://www.voipango.de
> >
> > This is not an advertisement i am not working for them.
> >
> > Are you sure about PRI ? in europe it's bri as i heard, PRI is in
> > usa??
> >
>
>
> No, it's also called PRI (or ISDN30), but its a different one...
> USA-pri is T1, 1,5 Mbps 23 * 64kbps channels + one 64 kbps D-channel.
>
> In Europe pri is E1, 2,048 Mbps
> made up of 32 * 64 kbps but two of those channels are not used for
> voice.
> One is used for signalling (also known as D-channel) and the other (used
> to be needed) for synchronisation.
>
> BRI is the isdn variant for home use: 144 kbps. Two 64kbps voice
> channels and a much smaller D-channel (16kbps) for signalling.
>
>
> hw
>
>
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