How do I register a URL handler for the sip: protocol in Windows?
Most VOIP software, such as Skype or X-Lite will register itself as a protocol handler when you install it. The first thing to do is to check that you don't already have a suitable handler for the protocol registered.
If you do need to register a protocol handler you must edit the Windows registry. One way to do this is create a simple text file with the extension .reg and then double click on it.
The file should contain something like this:
REGEDIT4 [HKEY_CLASSES_ROOT\sip] @="URL:sip Protocol" "URL Protocol"="" [HKEY_CLASSES_ROOT\sip\shell] [HKEY_CLASSES_ROOT\sip\shell\open] [HKEY_CLASSES_ROOT\sip\shell\open\command] @="\"C:\\Program Files\\Application\\program.exe\" \"%1\""
You should replace C:\\Program Files\\Application\\program.exe with the path to you chosen application. The double slashes are required.
You could also achieve this by using regedit. You can use HKEY_CLASSES_ROOT\http as an example.
Further information:
ID #1012
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