When both are enabled the links for phone numbers are set to the defacto tel: hyperlink and if a phone number contains the text specified by the Phone Extension Delimiter option it will insert a long pause at that point before continuing to dial.
This method uses the oft-support comma placeholder, adding two commas to extend the pause to allow for slower phone systems to catch up and wait for the extension to be entered.
Additional Results Interaction features are available with the MySLP/Enterprise or WPSLP Premier Add On. The results interaction set of features provides a variety of visual cues on the location map to indicate the location a user has clicked when viewing a list of locations., providing a variety of additional options beyond the standard Info Bubble that Store Locator Plus displays when a location is clicked.
Use the Experience add-on to completely disable the Info Bubble under the map and only use these interactive result indicators. When a visitor to your site clicks on the results marker they will see additional information such as description you have entered for that location, in addition to the fields that are populated for the location.