Been doing more research on the possibility of resurrecting my NMT phone and things look brighter. I should be able to tie everything together the way I want using:
-SDR-Lime Mini transceiver
-Raspberry Pi
-4G Dongle with sim card
-Asterisk PBX server and Osmocom-Analog running on the raspberry
It looked like for a while I was screwed or not able to do this the way I wanted. The key was being able to use a USB dongle, so that Asterisk can call out from it using the sim card, and calls to the sim card can be routed to where I want them. Being able to do this with some cellular gateway was looking complicated, expensive and bulky.
Asterisk had 3rd party support for 3G USB dongles via "chan_dongle" but the project was abandoned in 2016 and they're closing 3G down soon. 4G is a requirement. Fortunately someone else resurrected the project in 2022 and there are versions now that work with 4G usb dongles. So yes it's back on the table!
Also a good link for anyone who cares about old analog cellular:
https://limemicro.com/community/osmocom ... n-project/
-SDR-Lime Mini transceiver
-Raspberry Pi
-4G Dongle with sim card
-Asterisk PBX server and Osmocom-Analog running on the raspberry
It looked like for a while I was screwed or not able to do this the way I wanted. The key was being able to use a USB dongle, so that Asterisk can call out from it using the sim card, and calls to the sim card can be routed to where I want them. Being able to do this with some cellular gateway was looking complicated, expensive and bulky.
Asterisk had 3rd party support for 3G USB dongles via "chan_dongle" but the project was abandoned in 2016 and they're closing 3G down soon. 4G is a requirement. Fortunately someone else resurrected the project in 2022 and there are versions now that work with 4G usb dongles. So yes it's back on the table!
Also a good link for anyone who cares about old analog cellular:
https://limemicro.com/community/osmocom ... n-project/
Statistics: Posted by His Divine Shadow — 2024-06-19 02:29am