Make a connection between Android and Raspberry Pi with Bluetooth

[Jorge Fernando Mendoza Espinoza]

Hello, this is my first time here. I have a question, how can I establish a connection between Android and Raspberry Pi using the Bluetooth system?

[Glenn Ramsey]

I know this is an old thread, but ...

https://jtanx.github.io/2016/02/24/using-asterisk-to-route-calls-through-mobile/

https://pbxinaflash.com/community/threads/chan_mobile-and-bluetooth-with-piaf-reliable.16533/