Re: Differences between GSM modems

[Dan Williams <dcbw redhat com>]

On Thu, 2017-03-23 at 18:26 +0000, colin helliwell ln-systems com
wrote:
> NetworkManager[1398]: <info>  [1490292215.0368] (ttyMux1): modem
> state
> changed, 'connected' --> 'registered' (reason: user-requested)
> NetworkManager[1398]: <info>  [1490292215.0371] device (ttyMux1):
> state
> change: activated -> failed (reason 'modem-no-carrier') [100 120 25]
> NetworkManager[1398]: <debug> [1490292215.0390]
> active-connection[0x1f38140]: set state deactivated (was activated)
> NetworkManager[1398]: <debug> [1490292215.0395]

We'll need ModemManager logs here; MM is saying the modem state
changed, possibly due to status changes on the secondary AT port.  NM
hears that and terminates the connection.

Dan