Emulate call alerting

On the PinePhone modem community firmware it is possible to easily toggle call alerting emulation which is that ringing noise you hear when calling someone. Is it possible to enable a similar alerting emulation on the Librem 5 modem? With T-Mobile I don’t get any ringing. Does Awesim?

It depends on who you are calling. If I call a landline, it rings on my side, if I call a Cell-Phone, it might.