We are trying to use a SIM7600 modem with ubuntu linux. We have had pretty good success getting a SIM7600NA-H to connect. We would like to use SIM7600G-H but have had little success although I’m pretty sure it has connected a few times, but most fails. Here is what I am seeing in the log files:
Jun 6 20:31:10 nanopineo ModemManager[771]: <info> [modem0] simple connect state (9/10): connect
Jun 6 20:31:10 nanopineo ModemManager[771]: <info> [modem0] state changed (registered -> connecting)
Jun 6 20:31:10 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (roaming -> registering)
Jun 6 20:31:10 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (registering -> roaming)
Jun 6 20:31:10 nanopineo ModemManager[771]: <info> [modem0] state changed (connecting -> registered)
Jun 6 20:31:11 nanopineo ModemManager[771]: <info> [modem0/bearer3] couldn't start network: QMI protocol error (14): 'CallFailed'
Jun 6 20:31:11 nanopineo ModemManager[771]: <info> [modem0/bearer3] verbose call end reason (2,231): [internal] ip-version-mismatch
Jun 6 20:31:11 nanopineo ModemManager[771]: <warn> [modem0/bearer3] connection attempt #11 failed: Call failed: internal error: ip-version-mismatch
Jun 6 20:31:11 nanopineo ModemManager[771]: <info> [modem0/bearer3] connection #11 finished: duration 0s
Jun 6 20:31:11 nanopineo NetworkManager[639]: <warn> [1686083471.2900] modem-broadband[cdc-wdm0]: failed to connect modem: Call failed: (null) error: (null)
Jun 6 20:31:11 nanopineo NetworkManager[639]: <info> [1686083471.2904] device (cdc-wdm0): state change: prepare -> failed (reason 'unknown', sys-iface-state: 'managed')
Jun 6 20:31:11 nanopineo NetworkManager[639]: <warn> [1686083471.2972] device (cdc-wdm0): Activation: failed for connection 'Hologram'
Jun 6 20:31:11 nanopineo NetworkManager[639]: <info> [1686083471.3007] device (cdc-wdm0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Jun 6 20:31:11 nanopineo NetworkManager[639]: <info> [1686083471.3057] policy: auto-activating connection 'Hologram' (b733fd90-d1e0-4821-9c09-810c4330d089)
Jun 6 20:31:11 nanopineo NetworkManager[639]: <info> [1686083471.3126] device (cdc-wdm0): Activation: starting connection 'Hologram' (b733fd90-d1e0-4821-9c09-810c4330d089)
Jun 6 20:31:11 nanopineo NetworkManager[639]: <info> [1686083471.3139] device (cdc-wdm0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed')
Jun 6 20:31:11 nanopineo ModemManager[771]: <info> [modem0] simple connect started...
Jun 6 20:31:11 nanopineo ModemManager[771]: <info> [modem0] simple connect state (6/10): register
Jun 6 20:31:11 nanopineo ModemManager[771]: <info> [modem0] simple connect state (7/10): wait to get packet service state attached
Jun 6 20:31:12 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (roaming -> registering)
Jun 6 20:31:12 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (registering -> roaming)
Jun 6 20:31:12 nanopineo ModemManager[771]: <info> [modem0] simple connect state (8/10): bearer
Jun 6 20:31:12 nanopineo ModemManager[771]: <info> [modem0] simple connect state (9/10): connect
Jun 6 20:31:12 nanopineo ModemManager[771]: <info> [modem0] state changed (registered -> connecting)
Jun 6 20:31:12 nanopineo ModemManager[771]: <info> [modem0] state changed (connecting -> registered)
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer1] couldn't start network: QMI protocol error (14): 'CallFailed'
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer1] verbose call end reason (6,31): [3gpp] activation-reject
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer1] couldn't start network: QMI protocol error (14): 'CallFailed'
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer1] verbose call end reason (2,231): [internal] ip-version-mismatch
Jun 6 20:31:13 nanopineo ModemManager[771]: <warn> [modem0/bearer1] connection attempt #12 failed: Activation rejected (unspecified)
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer1] connection #12 finished: duration 0s
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] simple connect started...
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] simple connect state (6/10): register
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] simple connect state (7/10): wait to get packet service state attached
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] simple connect state (8/10): bearer
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] simple connect state (9/10): connect
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] state changed (registered -> connecting)
Jun 6 20:31:13 nanopineo ModemManager[771]: <warn> [modem0] network reject indication received
Jun 6 20:31:13 nanopineo ModemManager[771]: <warn> [modem0] service domain: ps
Jun 6 20:31:13 nanopineo ModemManager[771]: <warn> [modem0] radio interface: lte
Jun 6 20:31:13 nanopineo ModemManager[771]: <warn> [modem0] reject cause: implicitly-detached
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer2] couldn't start network: QMI protocol error (14): 'CallFailed'
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer2] verbose call end reason (0,0): [(null)] (null)
Jun 6 20:31:13 nanopineo ModemManager[771]: <warn> [modem0/bearer2] connection attempt #12 failed: Call failed: (null) error: (null)
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0] state changed (connecting -> registered)
Jun 6 20:31:13 nanopineo ModemManager[771]: <info> [modem0/bearer2] connection #12 finished: duration 0s
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] simple connect started...
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] simple connect state (6/10): register
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] simple connect state (7/10): wait to get packet service state attached
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] simple connect state (8/10): bearer
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] simple connect state (9/10): connect
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] state changed (registered -> connecting)
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (roaming -> registering)
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (registering -> roaming)
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0] state changed (connecting -> registered)
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0/bearer3] couldn't start network: QMI protocol error (14): 'CallFailed'
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0/bearer3] verbose call end reason (2,231): [internal] ip-version-mismatch
Jun 6 20:31:14 nanopineo ModemManager[771]: <warn> [modem0/bearer3] connection attempt #12 failed: Call failed: internal error: ip-version-mismatch
Jun 6 20:31:14 nanopineo ModemManager[771]: <info> [modem0/bearer3] connection #12 finished: duration 0s
Jun 6 20:31:14 nanopineo NetworkManager[639]: <warn> [1686083474.3287] modem-broadband[cdc-wdm0]: failed to connect modem: Activation rejected (unspecified)
Jun 6 20:31:14 nanopineo NetworkManager[639]: <info> [1686083474.3290] device (cdc-wdm0): state change: prepare -> failed (reason 'unknown', sys-iface-state: 'managed')
Jun 6 20:31:14 nanopineo NetworkManager[639]: <warn> [1686083474.3347] device (cdc-wdm0): Activation: failed for connection 'Hologram'
Jun 6 20:31:14 nanopineo NetworkManager[639]: <info> [1686083474.3384] device (cdc-wdm0): state change: failed -> disconnected (reason 'none', sys-iface-state: 'managed')
Jun 6 20:31:16 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (roaming -> registering)
Jun 6 20:31:16 nanopineo ModemManager[771]: <info> [modem0] 3GPP registration state changed (registering -> roaming)