[asterisk-users] ISDN30 testing questions ...

[asterisk]

What is the make of the existing pabx? Be aware that if it is an older pabx
the signaling over the isdn30 could actually be dass2 which is not
compatable with asterisk cards, rather than true isdn30e.

Neil

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Gordon
Henderson
Sent: 28 February 2007 12:53
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] ISDN30 testing questions ...

On Wed, 28 Feb 2007, demuel at thephinix.org wrote:

> Hi,
>
> What is the main purpose of this setup by the way?

For me? To provde a client with a VoIP capable PBX in their office to 
replace their current steam driven PBX...

(And hopefully to earn a few ££in the process!)

I have a lot of installations now with pure analogue lines, now want to do 
one with a digital line, but I want to test it out before going on-site, 
so I don't look like an idiot when it doesn't work...

Gordon

>
>> Hi Gordon
>>
>> 'Fraid I don't have a line you can 'play with' so to speak! However,
>> firstly, I have installed several E1 based Asterisk systems both in UK
>> and elsewhere, and apart from a few telco issues in a Latin American
>> country, it just works.
>>
>> You can do as you suggest, i.e. have two Asterisk boxes back to back,
>> and we have done this on many occasions for load-testing our systems. To
>> do so you will need to make an E1 crossover with pins 1/2 going to pins
>> 4/5 at the other end.
>>
>> Good luck....
>>
>> Tim Robinson
>> Basingstoke, UK
>>
>>
>>
>> Gordon Henderson wrote:
>>>
>>> I have a client intersted in a system, but they have an ISDN30 line -
>>> the down side is that I've not done any before...
>>>
>>> Now, I've no reason to think it won't work, but as going on-site with
>>> a new card and no first-hand knowledge isn't particularly wise, I'm
>>> wondering about the best way to do some testing...
>>>
>>> So is there anyone in Devon/Cornwall (England!!!) with an ISDN 30
>>> willing to let me play? ;-)
>>>
>>> Failing that, what test gear exists to pretend to be an exchange line?
>>> (Although I'm suspecting it's going to be outside my budget )-:
>>>
>>> But finally, can you run a TE110P card in "master" mode? ie. can I get
>>> 2 of these, and put one in a separate box and use it to pretend to be
>>> the (BT) exchange, with the other box doing what it's supposed to do?
>>>
>>> If it is possible, what do I need in the way of cross-over cables, etc.?
>>>
>>> Thanks,
>>>
>>> Gordon
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