[Asterisk-Users] ISDN BRI with National (north america) Signalling

[Brian Cuthie]

Actually, here in Maryland ISDN BRI is cheaper than POTS. POTS business 
lines are like $20 each, and caller-id is around $8.50 per line. So two 
lines with caller-id are about $57. On the other hand, a BRI, which has 
awesome voice quality and includes CLID is $45. If you get a residential 
ISDN line they can be as cheap as ~$30.

And I agree with whomever said that Verizon doesn't quite get it. 
Whenever I call about an ISDN line they try really hard to steer me 
towards DSL. Although if you get to the right business unit they're a 
little better.

Years ago I had a bunch of AT&T 7506 phones on a BRI with CO-based 
custom ISDN centrex. It was like having my own $20M switch. Of course 
convincing them that they *could* do this, and that it was a tariffed 
service was difficult. There were times I had to fax them copies of the 
relevant ISDN tariff and pages from the 5ESS provisioning guide.

ISDN can be very, very cool. The Europeans have figured this out, but 
the US telcos are just waiting to be put out of their misery. Hopefully 
VoIP will do it.

-brian

Walt Reed wrote:

>On Wed, Jun 09, 2004 at 11:24:11AM -0400, Jon Pounder said:
>  
>
>>Also for any ISDN gurus out there - is there a simple way to loop back BRI
>>so I can call from one B to the other for testing with the proper
>>signalling for National to see if asterisk actually works without
>>committing to ordering a line that will be useless if it does not work.
>>    
>>
>
>While I'm not an ISDN guru, a google for ISDN loopback shows products in
>the $150 range that are designed for this. Most seem to be euro, but
>there are US products too.
>
>FWIW, I would also be very interested in US BRI ISDN w/ * info. Analog POTS
>just blows. Looking through the Verizon tariffs, it seems as conversion
>from POTS to BRI is supported and reasonably affordable.
>
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