Determine intent to start dialing from external application

[chrodriguez]

Hello, I'm using linphone installed in a tablet as doorbell intercom. I'd like to know if it's possible to start dialing doorbell using some link (intent).
I'm using fullykiosk, and it provides a javascript interface, that can be used to start an application:

void fully.startApplication(String packageName)
void fully.startApplication(String packageName, String action, String url)  // Can put null to omit the parameter in ver. 1.33+
void fully.startIntent(String url)

I can open linphone using:

fully.startApplication('org.linphone')

But, I don't know which action and URL shall be used for dialing or if an intent url can be used to do what I want. I've found this manifest that I dont understand how to used it to build an intent or determine the action I need.

Thanks in advance