[uf-discuss] tel scheme for hcard? - RFC 2806

Karl Dubost karl at w3.org
Thu Nov 10 15:09:19 PST 2005

Hi Brian,

Le 05-11-10 à 16:26, brian suda a écrit :
> There are several different protocols for telephony, TAPI is another
> possiblity.
> I think this is a good idea, but the parsing[1] page does not address
> this issue at the moment.
> <a href="tapi://123456789" class="tel"><span
> class="value">+123.456.7890</span> <abbr class="type"
> title="cell">(mobile)</abbr></a>
> while you COULD extract the machine readable data from the href, hcard
> really wants the human readable format anyway. So what would be the
> reason for using the machine data?

Do you mean the benefit for the user of having an anchor?

click. :)
As I said just to launch the communication automatically by clicking  
in the Web page.

I didn't know about tapi but it seems not to be in the IANA list.
tel   telephone [RFC2806]
fax   fax       [RFC2806]
modem modem     [RFC2806]
-- Uniform Resource Identifier (URI) SCHEMES
Thu, 03 Nov 2005 19:48:14 GMT

How to add support for "tel" to your desktop?

     * For Gnome, edit ~/.gnome/Gnome and add something to the URL  
Handlers section.
         (Dan Connolly uses this to get galeon to launch
         telnum from [telagent sources][1] for tel URIs)

How to add support for "tel" to your browser?

     * In Mozilla, [Dizzy][2]
     * In Internet Explorer, [Asynchronous Pluggable Protocols][3]

[1]: http://dev.w3.org/cvsweb/2001/telagent/
[2]: http://dizzy.mozdev.org/
[3]: http://msdn.microsoft.com/workshop/networking/pluggable/overview/ 

On the CSS front… You could for example add automagically an icon. I  
have put the property for those who wants to add it to their own  
stylesheet in their browsers, so they know what type of links. It's  
working for mail

a[href^="tel:"]:before {
     content: '\260f  ' !important;
     padding-left: 20px !important; }


[Off topic]
a[href^="mailto:"]:before {
     content: '\2709  ' !important;
     padding-left: 20px !important; }

Karl Dubost - http://www.w3.org/People/karl/
W3C Conformance Manager
*** Be Strict To Be Cool ***

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