cordova-plugin-whitelist fails to work on ios when built via adobe's phonegap build

I'm using the cordova-plugin-whitelist with my cordova app.

I have a rule in my config.xml
<allow-intent href="tel:*"/>

If I build locally and deploy to the app store, tel links work fine on both android and ios.

If I build using phonegap build, tel links work ONLY on android and do NOT work on ios.

I've tried a number of different settings and have researched this on the internet. I'd love some help! Thanks!