[asterisk-users] Asterisk incoming caller id problem

[Mike Jagdis]

On Mon, Mar 26, 2007 at 06:19:15PM +0100, Gordon Henderson wrote:
> That's less of an issue (for me) - I'm guessing that most UK analogue 
> phones with CID display will support *anything* that the telco throws at 
> them, probably as BT, Telewest/NTL/Virgin Media (?) all seem to be 
> different (and I always thought Telewest used Bell until I found one that 
> does a polarity reversal recently!) ... I've never had a problem sending 
> CID data to an FXS connected analogue phone with a display. (And to my 
> surprise, I found my 5 year old NTL DECT set supported alpha characters as 
> well as digits!)

The BT On-Air 2250 I inherited doesn't seem to. Mind you, it's pretty
anal about requiring _exact_ SIN227 signalling for BT/V23 so maybe it's
just being over anal about US as well.

Then of course, there's the problem of fitting US signalling into
non-US ring patterns. Pre-ring rules! :-)

Mike

-- 
Mike Jagdis                        Web: http://www.eris-associates.co.uk
Eris Associates Limited            Tel: +44 7780 608 368
Reading, England                   Fax: +44 118 926 6974