I use a mobile configuration but it seems not working. the mobile.cfg shown below !

! OsmocomBB example configuration for mobile application

!!

!

line vty

no login

!

gps device /dev/ttyACM0

gps baudrate default

no gps enable

!

no hide-default

!

ms 1

layer2-socket /tmp/osmocom_l2

sap-socket /tmp/osmocom_sap

stick 1

sim none

network-selection-mode auto

imei 000000000000000 0

imei-fixed

no emergency-imsi

no sms-service-center

no call-waiting

no auto-answer

no force-rekey

no clip

no clir

tx-power auto

no simulated-delay

location-updating

neighbour-measurement

codec full-speed prefer

codec half-speed

no abbrev

support

sms

a5/1

a5/2

p-gsm

e-gsm

r-gsm

gsm-850

dcs

no pcs

class-900 4

class-850 4

class-dcs 1

class-pcs 1

channel-capability sdcch+tchf+tchh

full-speech-v1

full-speech-v2

half-speech-v1

min-rxlev -110

dsc-max 90

no skip-max-per-band

test-sim

imsi 001010402698197

ki comp128 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

no barred-access

rplmn 001 01

! io-format ti

no shutdown

can you give me a config that working.

thank you