Hello everyone,

since a while I have been experimenting this problem when I try to connect my 
modem to the APN. It was working for a long time till a upgraded the firmware 
and after that it always appear so I cant use ModemManager to connect the 
modem. I just tried upgrading to ModemManager1.16 but it seems to be the same 
(Also upgraded qmi and mbim to the last stable releases in 
https://www.freedesktop.org/software)<https://www.freedesktop.org/software>?


Could someone give me a hint? Thanks. The error is the following:


sudo mmcli -m 0 --simple-connect="apn=internet.telekom"

error: couldn't connect the modem: 
'GDBus.Error:org.freedesktop.libqmi.Error.Protocol.CallFailed: QMI protocol 
error (14): 'CallFailed''


Kind regards,
Federico Murciano

B.Sc. Telecommunications Engineer
federico.murci...@dai-labor.de
Tel. +49 (0) 30/314 -74 025
Future in touch
DAI-Labor
Technische Universität Berlin
Fakultät IV - Elektrotechnik & Informatik Sekretariat TEL 14 Ernst-Reuter-Platz 
7
10587 Berlin, Germany

http://www.dai-labor.de/
DAI-Labor - Distributed Artificial Intelligence Laboratory Chief Executive 
Director: Prof. Dr. Dr. h.c. Sahin Albayrak
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