How do I setup networking over bluetooth in Debian?

I am using Debian on a Raspberry Pi 2 device.  I want to do networking over bluetooth.   So that I can SSH into the device from a laptop, iPad or Android phone ("remotes").
SSH works right now over WiFi but I need 2 different ways to access the device.
A static IP and the need to reconfigure networking manually on the remotes is OK with me, if it is necessary.

I've googled and tried a wide variety of solutions, none seem to work.  
- Bluetooth BLE dongle works fine on the Pi, I can pair with a few Android phones.
- But I cannot start Personal Area Networking or any other option I've tried.  Further it seems that whatever I try screws up the WiFi.
- I have a standard and latest Debian installed (not NOOB).

Could you please provide a definite way to get it working?
Francois KoutchoukCTOAsked:
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Francois KoutchoukCTOAuthor Commented:
I successfully set an Access Point over WiFi, so dnsmasq and hostapd are working fine.
I suspect I need a bit more tweaking to get this to work with PAN.

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