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What do I do when I click the phone number on the Obama call site such, as 'tel:+17405925191,' Firefox says 'The address wasn't understood' ??

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I want to use the internet protocol feature of the Obama call sight. When I click on the phone number it appears on address line as tel:+17405925191 and this message appears: 'Firefox doesn't know how to open this address, because the protocol (tel) isn't associated with any program'.

I want to use the internet protocol feature of the Obama call sight. When I click on the phone number it appears on address line as tel:+17405925191 and this message appears: 'Firefox doesn't know how to open this address, because the protocol (tel) isn't associated with any program'.

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This message means your Computer aint updates with softwares to handle such protocal. You will need to get like VoIP Vioce over Internet Protocal enabled or capable software and then try again it might just work out. For example you can install skype and or get an addon for such protocals [VoIP] to help solve the problem.

Good Luck.