Ability to initiate a whatsapp call

[horlas08]

**Is your feature request related to a problem?
if am building a bot that is notifying me about my server in an urgent case i want to initiate a call to my phone to make sure i get notify on time by phone call

Describe the solution you'd like

http api endpoint for making a call to a number or a short call flashing

[devlikepro]

Let's see how many and supporters needs the feature and prioritize it based on that.

Comment with "+1" if you need it!

[priscillienMei]

+1 if we can plug some vocal conversation on it can be game changer.

[AnxHall]

+1

[bergpinheiro]

+1

[AnxHall]

+1 if we can plug some vocal conversation on it can be game changer.

The problems is required wertc/sip/etc - too heavy for api system project