On 28 Feb 2007, at 06:53, Gordon Henderson wrote:
On Wed, 28 Feb 2007, Julian Lyndon-Smith wrote:
Gordon Henderson wrote:
On Wed, 28 Feb 2007, asterisk wrote:
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.
This is another issue I didn't mention (saw no need!) Their
ancient PBX does indeed use DASS2, but BT are killing this off at
the end of July, and will be replacing it with "proper" ISDN2e,
hence another need to get
do you mean ISDN2e or ISDN30e ?
Yes, sorry. ISDN30e...
If you don't have a spare ISDN config to test on, I advise the
following:
1) design and test your overall dialplan/phones/routing on a test
box with IAX (or SIP I suppose)
connectivity to an ITSP - that way you can test DIDs , internal
transfers, suitability of
handsets etc. (You will find that the behavior of incoming calls on
ISDN is more like that of
IAX than it is of analog PSTN - all calls come in to an extension,
hangup works properly, you get
callerID immediately, DTMF works etc)
2) build you real server with the ISDN card in it and try and find
somewhere to test it for an
hour just to check you have the zaptel and zapata config files sorted.
3) when you do connect to the BT line, if it doesn't work call BT
and ask them what they see.
quite often the problem is that they have marked the line as out-of-
service and are waiting
for you to tell them to re-enable it :-)
Tim.
Thanks,
Gordon
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Tim Panton
www.mexuar.net
www.westhawk.co.uk/
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