How to create hyperlink to call phone number on mobile devices

Question

What is the proper  universal format for creating a clickable hyperlink for users on mobile devices to call a phone number   Area code with dashes   lt a href  tel 555-555-1212  gt 555-555-1212 lt  a gt    Area code with no dashes   lt a href  tel 5555551212  gt 555-555-1212 lt  a gt    Area code with dashes and 1   lt a href  tel 1-555-555-1212  gt 555-555-1212 lt  a gt    Area code with no dashes and 1   lt a href  tel 15555551212  gt 555-555-1212 lt  a gt    Area code with dashes  1 and   sign   lt a href  tel  1-555-555-1212  gt 555-555-1212 lt  a gt    Area code with no dashes  1 and   sign   lt a href  tel  15555551212  gt 555-555-1212 lt  a gt

User · Answer

I also found this format online  and used it   Seems to work with or without dashes  I have verified it works on my Mac  tries to call the number in FaceTime   and on my iPhone    lt  -- Cross-platform compatible  Android   iPhone  -- gt   lt a href  tel   1-555-555-5555  gt  1  555  555-5555 lt  a gt

User · Answer

I used   Tel   lt a href  tel  123 123456789  gt  123 123456789 lt  a gt    and the result is   Tel   123 123456789  Where  Tel   stands for pure text and only the number is coded and clickable

User · Answer

- doesnt make matter but   sign is important when mobile user is in roaming   this is the standard format   lt a href  tel  4917640206387  gt  49  0 176 - 402 063 87 lt  a gt    You can read more about it in the spec  see Make Telephone Numbers  Click-to-Call

User · Answer

You can also use callto             replacing the email code mail with call  at least according to W3Cschool site but I haven t had an opportunity to test it out

User · Answer

Dashes  -  have no significance other than making the number more readable  so you might as well include them   Since we never know where our website visitors are coming from  we need to make phone numbers callable from anywhere in the world  For this reason the   sign is always necessary  The   sign is automatically converted by your mobile carrier to your international dialing prefix  also known as  exit code   This code varies by region  country  and sometimes a single country can use multiple codes  depending on the carrier  Fortunately  when it is a local call  dialing it with the international format will still work   Using your example number  when calling from China  people would need to dial   00-1-555-555-1212   And from Russia  they would dial  810-1-555-555-1212   The   sign solves this issue by allowing you to omit the international dialing prefix   After the international dialing prefix comes the country code pdf   followed by the geographic code  area code   finally the local phone number   Therefore either of the last two of your examples would work  but my recommendation is to use this format for readability    lt a href  tel  1-555-555-1212  gt  1-555-555-1212 lt  a gt    Note  For numbers that contain a trunk prefix different from the country code  e g  if you write it locally with brackets around a 0   you need to omit it because the number must be in international format

[android] How to create hyperlink to call phone number on mobile devices?

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