I tried osmo-pcu but the output was like that.
I built everything again but my network hardly shows up, and with the name of the carrier for the SIM, not the name I assign !.
pi@raspberrypi:~ $ osmo-pcu -r 1
No config file: 'osmo-pcu.cfg' Using default config.
<0001> osmobts_sock.cpp:227 Opening OsmoPCU L1 interface to OsmoBTS
<0001> osmobts_sock.cpp:264 Failed to connect to the osmo-bts PCU socket, delaying... '/tmp/pcu_bts'
<0001> osmobts_sock.cpp:227 Opening OsmoPCU L1 interface to OsmoBTS
<0001> osmobts_sock.cpp:264 Failed to connect to the osmo-bts PCU socket, delaying... '/tmp/pcu_bts'
^CSignal 2 received.
full talloc report on 'Osmo-PCU context' (total 1 bytes in 1 blocks)
pi@raspberrypi:~ $ sudo osmo-pcu -r 1
No config file: 'osmo-pcu.cfg' Using default config.
<0001> osmobts_sock.cpp:227 Opening OsmoPCU L1 interface to OsmoBTS
<0001> osmobts_sock.cpp:285 osmo-bts PCU socket has been connected
<0001> pcu_l1_if.cpp:357 BTS not available
pi@raspberrypi:~ $