<html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> Hey, I use a telit LE910C1-EU with mbim interface. This modem has support for two sim slots and we want to use this feature with ModemManager (I am using Version 1.19.0) What I want to do is <ul> <li> find out which slot is currently active </li> <li>switch active slot if possible</li> </ul> I am able to switch the slot using AT commands directly. Using qmicli works as well. But I am not able to use mmcli to do so. From looking at the code, it seems that using AT commands is not implemented in the telit plugin and using qmi-over-mbim is not implemented for the uim service. It seems to me that there is some code for that in the mbim broadband modem, but I don't understand how that can work, since the service QMI_SERVICE_UIM is not included in the list of QMI service in the mbim implementation. I tried to include the service in the list, but that caused modem manager to crash since the modem is not a QMI modem (invalid cast) So the question is how to implement that dual SIM support? To me, the most promising seems to support the UIM service via qmi-over-mbim, but it is not clear to me what the best way is to do so? Do you have some guidance how to proceed? I attach parts of the starting log .... ----------------------------- ModemManager[17594]: <info> ModemManager (version 1.19.0) starting in system bus... ModemManager[17594]: opening device... ModemManager[17594]: cannot connect to proxy: Could not connect: Connection refused ModemManager[17594]: spawning new mbim-proxy (try 1)... ModemManager[17594]: [/dev/cdc-wdm0] Read max control message size from descriptors file: 4096 ModemManager[17594]: <info> [cdc-wdm0/mbim] MBIM device is not QMI capable ModemManager[17594]: [/dev/cdc-wdm0] closing device... ModemManager[17594]: [/dev/cdc-wdm0] channel destroyed ModemManager[17594]: <info> [base-manager] couldn't check support for device '/sys/devices/platform/ahb/ahb:apb/f8004000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1': not supported by any plugin ModemManager[17594]: <info> [base-manager] couldn't check support for device '/sys/devices/platform/ahb/ahb:apb/f802c000.ethernet': not supported by any plugin ModemManager[17594]: <info> [device /sys/devices/platform/ahb/700000.ehci/usb1/1-2] creating modem with plugin 'telit' and '5' ports ModemManager[17594]: <warn> [plugin/telit] could not grab port ttyUSB3: Cannot add port 'tty/ttyUSB3', unhandled port type ModemManager[17594]: <warn> [plugin/telit] could not grab port ttyUSB0: Cannot add port 'tty/ttyUSB0', unhandled port type ModemManager[17594]: <info> [base-manager] modem for device '/sys/devices/platform/ahb/700000.ehci/usb1/1-2' successfully created ModemManager[17594]: opening device... ModemManager[17594]: [/dev/cdc-wdm0] Read max control message size from descriptors file: 4096 ModemManager[17594]: [/dev/cdc-wdm0] Opening device with flags 'version-info, proxy, mbim, expect-indications'... ModemManager[17594]: [/dev/cdc-wdm0] created endpoint ModemManager[17594]: [/dev/cdc-wdm0] creating MBIM device... ModemManager[17594]: [/dev/cdc-wdm0] MBIM device created ModemManager[17594]: [/dev/cdc-wdm0] opening MBIM device... ModemManager[17594]: opening device... ModemManager[17594]: [/dev/cdc-wdm0] Read max control message size from descriptors file: 4096 ModemManager[17594]: [/dev/cdc-wdm0] MBIM device open ModemManager[17594]: [/dev/cdc-wdm0] Checking version info (15 retries)... ModemManager[17594]: [/dev/cdc-wdm0] QMI Device supports 33 services: ModemManager[17594]: [/dev/cdc-wdm0] ctl (1.5) ModemManager[17594]: [/dev/cdc-wdm0] wds (1.67) ModemManager[17594]: [/dev/cdc-wdm0] dms (1.0) ModemManager[17594]: [/dev/cdc-wdm0] nas (1.25) ModemManager[17594]: [/dev/cdc-wdm0] qos (1.12) ModemManager[17594]: [/dev/cdc-wdm0] wms (1.10) ModemManager[17594]: [/dev/cdc-wdm0] auth (1.3) ModemManager[17594]: [/dev/cdc-wdm0] at (1.2) ModemManager[17594]: [/dev/cdc-wdm0] voice (2.1) ModemManager[17594]: [/dev/cdc-wdm0] cat2 (2.24) ModemManager[17594]: [/dev/cdc-wdm0] uim (1.46) ModemManager[17594]: [/dev/cdc-wdm0] pbm (1.4) ModemManager[17594]: [/dev/cdc-wdm0] test (1.0) ModemManager[17594]: [/dev/cdc-wdm0] loc (2.0) ModemManager[17594]: [/dev/cdc-wdm0] sar (1.0) ModemManager[17594]: [/dev/cdc-wdm0] ims (1.0) ModemManager[17594]: [/dev/cdc-wdm0] ts (1.0) ModemManager[17594]: [/dev/cdc-wdm0] tmd (1.0) ModemManager[17594]: [/dev/cdc-wdm0] wda (1.16) ModemManager[17594]: [/dev/cdc-wdm0] csvt (1.1) ModemManager[17594]: [/dev/cdc-wdm0] imsa (1.0) ModemManager[17594]: [/dev/cdc-wdm0] coex (1.0) ModemManager[17594]: [/dev/cdc-wdm0] pdc (1.0) ModemManager[17594]: [/dev/cdc-wdm0] rfrpe (1.0) ModemManager[17594]: [/dev/cdc-wdm0] dsd (1.0) ModemManager[17594]: [/dev/cdc-wdm0] unknown [0x2d] (1.0) ModemManager[17594]: [/dev/cdc-wdm0] unknown [0x30] (1.0) ModemManager[17594]: [/dev/cdc-wdm0] unknown [0x32] (1.0) ModemManager[17594]: [/dev/cdc-wdm0] unknown [0x36] (1.0) ModemManager[17594]: [/dev/cdc-wdm0] fota (1.0) ModemManager[17594]: [/dev/cdc-wdm0] gms (1.0) ModemManager[17594]: [/dev/cdc-wdm0] unknown [0xeb] (1.0) ModemManager[17594]: [/dev/cdc-wdm0] unknown [0xed] (1.0) ModemManager[17594]: [/dev/cdc-wdm0] Enabling QMI indications via MBIM... ModemManager[17594]: [/dev/cdc-wdm0] enabled QMI indications via MBIM ModemManager[17594]: <info> [modem0/cdc-wdm0/mbim] MBIM device is QMI capable ModemManager[17594]: [/dev/cdc-wdm0] Allocating new client ID... ModemManager[17594]: [/dev/cdc-wdm0] Registered 'dms' (version 1.0) client with ID '1' ModemManager[17594]: [/dev/cdc-wdm0] Allocating new client ID... ModemManager[17594]: [/dev/cdc-wdm0] Registered 'nas' (version 1.25) client with ID '3' ModemManager[17594]: [/dev/cdc-wdm0] Allocating new client ID... ModemManager[17594]: [/dev/cdc-wdm0] Registered 'loc' (version 2.0) client with ID '1' ModemManager[17594]: [/dev/cdc-wdm0] Allocating new client ID... ModemManager[17594]: [/dev/cdc-wdm0] Registered 'pdc' (version 1.0) client with ID '1' ModemManager[17594]: <info> [modem0] QMI-based capability and mode switching support enabled ModemManager[17594]: <warn> [modem0] couldn't query SIM slots: NoDeviceSupport ModemManager[17594]: <warn> [modem0/sim0] couldn't load EID: Failure ModemManager[17594]: <warn> [modem0/sim0] couldn't load list of emergency numbers: uninitialized emergency numbers list ModemManager[17594]: <warn> [modem0] couldn't load initial EPS bearer settings: LTE attach status info is unsupported ModemManager[17594]: <info> [modem0] state changed (unknown -> disabled) ModemManager[17594]: <info> [modem0] state changed (disabled -> enabling) ModemManager[17594]: <info> [modem0] power state updated: on ModemManager[17594]: <info> [modem0] 3GPP registration state changed (unknown -> idle) ModemManager[17594]: <info> [modem0] state changed (enabling -> enabled) -------------------------------- Thank you and best regards, <pre class="moz-signature" cols="72">-- Best regards / Mit freundlichen Grüßen / Salutations distinguées Ulrich Mohr SEMEX-EngCon GmbH Carl-Merz-Strass 26 76275 Ettlingen Phone: +49 (0) 7243 5143596 email: <a class="moz-txt-link-abbreviated" href="mailto:u.mohr@semex-engcon.com">u.mohr@semex-engcon.com</a> ___________________________________________ Executive board: A. Stiegler, H.-J. Nitzpon Commercial register: Mannheim, HRB 718881 Company domicile: Ettlingen</pre> </body> </html>