[VoIP] ITAD Gateway

[Jayson Smith]

Hello,
Apparently the Packet8 BPA-410 also has reversed polarity.
Jayson.

----- Original Message ----- 
From: "John R. Covert" <john_reads_cnet_via_archives at covert.org>
To: "CNET" <voip at ckts.info>
Sent: Wednesday, March 14, 2007 9:25 PM
Subject: [VoIP] ITAD Gateway


> More fun for CNET subscribers.  A gateway to ITAD or ISN (Internet
> Subscriber Number) dialing is now operating on CNET 1-263-ITAD (4823).
> 
> ISN dialling uses the format <subscriber-number>*<domain-number>#
> So, for example, since Free World Dialup has been assigned the
> Internet Telephony Administrative Domain "262", you would call the
> FWD echo test by dialling the gateway and then 613*262#.  Or to
> call any number at UCLA, you would dial the five digit extension,
> a "*", and then 269#.  For example, UCLA Sports info: 66831*269#
> 
> There is a list of ITAD-enabled organizations at
> http://www.iana.org/assignments/trip-parameters
> 
> You will find a lot of universities and 
> 
> Not every organization on this list has an operational system accepting
> calls.  And there aren't any standards for what might be assumed to
> be a main number.  It's a maze of twisty passages, all different.
> 
> Have fun.
> 
> /john
> 
> p.s.: Wish I'd been paying attention earlier when Jayson was having
> trouble with his 2500.  I could have told him the IAXy has its
> polarity reversed.  Since it supposedly doesn't matter anymore,
> and engineers these days don't know how to read standards (they
> can't understand "send-correctly, accept-permissively"), we have
> lots of devices that are backwards, or even worse (the Sipura-3000)
> actually change polarity under certain circumstances.
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