[Asterisk-Users] Caller ID with BT CD50

Robinson Tim-W10277 Tim.Robinson at motorola.com
Wed May 26 06:07:26 MST 2004


Presumably this can then be modified for DTMF caller ID by those in NL, Brazil etc?

I will give it a go soon.

Thanks
Tim
-----Original Message-----
From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Tony Hoyle
Sent: 26 May 2004 13:09
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] Caller ID with BT CD50


Tim Robinson wrote:

> Tony -
> This sounds great.  Are you monitoring the line constantly for the
> inbound caller ID or are you somehow detecting the polarity reversal?

I keep rolling buffer of the last couple of seconds of the incoming 
audio, so when the ring is detected the chan_zap driver can grab this 
and feed it to the callerid processing routines.

> If it works and is stable, will you disclaim your code so that it will
> get merged into the main CVS?  There should probably be a couple of 
> settings in zapata.conf for the caller id coding scheme to be used for 
> each card

If it's necessary to assign copyright to digium then there's no problem 
doing that.

At the moment there's a rather lame 'ukcallerid=yes' command... it needs 
something better certainly but there's plenty of time to get that stuff 
right.

The current patches are at http://www.nodomain.org/asterisk/

> since a lot of people here in UK have a line from BT and a cable co
> line, where the cable co either uses Bellcore after 1st ring, or V23 
> after 1st ring. So you need to be able to chose the method for each 
> line. What a mess, eh?

Ugh. V23 after first ring...  It also matters of course if the cable co. 
has changed the wire data format - you might be able to grab the data 
but then not be able to make any sense of it..

Tony

-- 
All your code belongs to Santa

Tony Hoyle <tmh at nodomain.org>  Key ID: 104D/4F4B6917 2003-09-13
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