href="tel:" and mobile numbers
If I use
tel: I should write the international phone code, like that.
So far, so good, but I can't find information on how to write a cell phone number in an "international" way, if there is one.
When dialing a number within the country you are in, you still need to dial the national trunk number before the rest of the number. For example, in Australia one would dial:
0 - trunk prefix 2 - Area code for New South Wales 6555 - STD code for a specific telephone exchange 1234 - Telephone Exchange specific extension.
For a mobile phone this becomes
0 - trunk prefix 4 - Area code for a mobile telephone 1234 5678 - Mobile telephone number
Now, when I want to dial via the international trunk, you need to drop the trunk prefix and replace it with the international dialing prefix
+ - Short hand for the country trunk number 61 - Country code for Australia 4 - Area code for a mobile telephone 1234 5678 - Mobile telephone number
This is why you often find that the first digit of a telephone number is dropped when dialling internationally, even when using international prefixing to dial within the same country.
<a href="tel:+496170961709" class="Blondie"> Call me, call me any, anytime <b>Call me (call me) I'll arrive</b> When you're ready we can share the wine! </a>
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I know the OP is asking about international country codes but for North America, you could use the following:
<a href="tel:+1-847-555-5555">1-847-555-5555</a> <a href="tel:+18475555555">Click Here To Call Support 1-847-555-5555</a>
This might help you.
The BlackBerry browser and Safari for iOS (iPhone/iPod/iPad) automatically detect phone numbers and email addresses and convert them to links. If you don’t want this feature, you should use the following meta tags.
<meta name="format-detection" content="telephone=no">
<meta http-equiv="x-rim-auto-match" content="none">
As an additional note, you may also add markup language for pausing or waiting, I learned this from the iPhone iOS which allows numbers to be stored with extension numbers in the same line. A semi-colon establishes a wait, which will show as a next step upon calling the number. This helps to simplify the workflow of calling numbers with extensions in their board. You press the button shown on the bottom left of the iPhone screen when prompted, and the iPhone will dial it automatically.
<a href="tel:+50225079227;1">Call Now</a>
The pause is entered with a comma ",", allowing a short pause of time for each comma. Once the time has passed, the number after the comma will be dialed automatically
<a href="tel:+50225079227,1">Call Now, you will be automaticlaly transferred</a>
It's the same. Your international format is already correct, and is recommended for use in all cases, where possible.