[Asterisk-Dev] UK Caller ID and cable company PSTN lines

[David Gurr]

Hacked it myself ... it's a simple hack, and I'll be happy to share it with
anyone who's interested.

--
David Gurr
Congruity Ltd.
Hemel Hempstead, UK

> -----Original Message-----
> From: asterisk-dev-admin at lists.digium.com
> [mailto:asterisk-dev-admin at lists.digium.com]On Behalf Of David Gurr
> Sent: 09 August 2004 19:57
> To: asterisk-dev at lists.digium.com
> Subject: [Asterisk-Dev] UK Caller ID and cable company PSTN lines
>
>
> I have a phone line from UK cable company NTL. Whilst I can
> receive callerid
> just fine on a Panasonic DECT phone attached to the NTL line, I can't
> receive any callerid info with an Asterisk system attached. I'm
> attaching to
> the line using an X100P.
>
> I'm using the latest CVS version of Asterisk and the Zaptel
> driver, with the
> UK callerid patches applied.
>
> With the relevant debugging turned on, I can see that Asterisk is looking
> for UK-style callerid, but it's just not finding it.
>
> Reading the pages the wiki links to for further reading on UK callerid, I
> see that the UK cable companies use a slightly different standard
> to BT ...
> it seems this involves using *either* the BT V.23 tones *or* the
> US Bell 202
> tones, and that they're sent after a short first ring (unlike the BT tones
> which are sent before the first ring).
>
> Before I start hacking around, has anyone else done any work on this?
>
> Thanks
>
> --
> David Gurr
> Congruity Ltd.
> Hemel Hempstead, UK
>
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