ptg16476052596 LESSON 21: Designing for the Mobile Web
never move. For example, in the near future a Web-enabled refrigerator might be able to
connect to your site, place an order for more milk, and send you its location using geolo-
cation.Make Phone Calls
While the first mobile devices were really PDAs or palmtops (my dad and I both had HP
200LX palmtop computers back in the 1980s), most people think of cell phones as the
first mobile devices. And phones are how most people get to the mobile Web. Of course,
a feature of phones is that they can make phone calls. And, as a mobile web designer,
you can add phone numbers to your website and make them work. This is called click to
call.
You write a link like you would any other link, but instead of linking to a URL or web
page address, you link to a phone number:
<a href="tel:4255025366">
On mobile phones, when customers tap the link, they are asked if they want to make a
call, as in Figure 21.8.FIGURE 21.8
Click to call.