При выполнении USSD-запроса через modem-manager-gui или mmcli: # ModemManager --debug [...] ModemManager[5702]: <debug> [1683207451.132874] [ttyUSB2/at] device open count is 2 (open) ModemManager[5702]: <debug> [1683207451.133034] [ttyUSB2/at] --> 'AT+CUSD=1,"AA184C3602",15<CR>' ModemManager[5702]: <debug> [1683207451.232037] [ttyUSB2/at] <-- '<CR><LF>OK<CR><LF>' ModemManager[5702]: <debug> [1683207451.232168] [ttyUSB2/at] device open count is 1 (close) ModemManager[5702]: <debug> [1683207454.218124] [ttyUSB2/at] <-- '<CR><LF>+CUSD: 0,"042304320430043604300435043C044B04390020041A043B04380435043D0442002C0020043E044804380431043A043000200432002004370430043F0440043E04410435002E",72<CR><LF>' ModemManager[5702]: <debug> [1683207454.218232] [modem0] unsolicited USSD URC received ModemManager[5702]: <debug> [1683207454.705055] [ttyUSB2/at] <-- '<CR><LF>^MODE:3,3<CR><LF>' [...] При попытке активации соединения через modem-manager-gui: # ModemManager --debug [...] ModemManager[5702]: <debug> [1683207596.985032] [modem0] user request to connect modem ModemManager[5702]: <info> [1683207596.987258] [modem0] simple connect started... ModemManager[5702]: <debug> [1683207596.987296] [modem0] profile ID: unspecified ModemManager[5702]: <debug> [1683207596.987311] [modem0] PIN: unspecified ModemManager[5702]: <debug> [1683207596.987320] [modem0] operator ID: 25020 ModemManager[5702]: <debug> [1683207596.987330] [modem0] allowed roaming: yes ModemManager[5702]: <debug> [1683207596.987341] [modem0] APN: internet.tele2.ru ModemManager[5702]: <debug> [1683207596.987352] [modem0] APN type: unspecified ModemManager[5702]: <debug> [1683207596.987363] [modem0] IP family: ipv4 ModemManager[5702]: <debug> [1683207596.987377] [modem0] allowed authentication: none, pap, chap, mschap, mschapv2, eap ModemManager[5702]: <debug> [1683207596.987389] [modem0] user: unspecified ModemManager[5702]: <debug> [1683207596.987399] [modem0] password: unspecified ModemManager[5702]: <debug> [1683207596.987410] [modem0] multiplex: unspecified ModemManager[5702]: <info> [1683207596.987419] [modem0] simple connect state (6/10): register ModemManager[5702]: <debug> [1683207596.987440] [modem0] launching manual network registration (25020)... ModemManager[5702]: <debug> [1683207596.987459] [ttyUSB2/at] device open count is 2 (open) ModemManager[5702]: <debug> [1683207596.987500] [ttyUSB2/at] --> 'AT+COPS=1,2,"25020"<CR>' ModemManager[5702]: <debug> [1683207597.064086] [ttyUSB2/at] <-- '<CR><LF>^SRVST:1<CR><LF>' ModemManager[5702]: <debug> [1683207597.064234] [ttyUSB2/at] <-- '<CR><LF>^SRVST:2<CR><LF>' ModemManager[5702]: <debug> [1683207597.064337] [ttyUSB2/at] <-- '<CR><LF>OK<CR><LF>' ModemManager[5702]: <debug> [1683207597.064394] [modem0] running registration checks (CS: 'yes', PS: 'yes', EPS: 'no', 5GS: 'no') ModemManager[5702]: <debug> [1683207597.064418] [ttyUSB2/at] device open count is 3 (open) ModemManager[5702]: <debug> [1683207597.064440] [ttyUSB2/at] device open count is 2 (close) ModemManager[5702]: <debug> [1683207597.064461] [ttyUSB2/at] --> 'AT+CREG?<CR>' ModemManager[5702]: <debug> [1683207597.122015] [ttyUSB2/at] <-- '<CR><LF>+CREG: 2,1, 23F3, DE9<CR><LF><CR><LF>OK<CR><LF>' ModemManager[5702]: <debug> [1683207597.122158] [ttyUSB2/at] device open count is 3 (open) ModemManager[5702]: <debug> [1683207597.122184] [ttyUSB2/at] device open count is 2 (close) ModemManager[5702]: <debug> [1683207597.122206] [ttyUSB2/at] --> 'AT+CGREG?<CR>' ModemManager[5702]: <debug> [1683207597.187114] [ttyUSB2/at] <-- '<CR><LF>+CGREG: 2,0<CR><LF><CR><LF>OK<CR><LF>' ModemManager[5702]: <debug> [1683207597.187240] [modem0] periodic signal check refresh ignored: check already running ModemManager[5702]: <debug> [1683207597.187255] [modem0] currently registered in a 3GPP network ModemManager[5702]: <info> [1683207597.187266] [modem0] simple connect state (7/10): wait to get packet service state attached ModemManager[5702]: <debug> [1683207597.187306] [ttyUSB2/at] device open count is 1 (close) ModemManager[5702]: <debug> [1683207607.575991] [modem0] user request to connect modem ModemManager[5702]: <info> [1683207607.578468] [modem0] simple connect started... ModemManager[5702]: <debug> [1683207607.578512] [modem0] profile ID: unspecified ModemManager[5702]: <debug> [1683207607.578528] [modem0] PIN: unspecified ModemManager[5702]: <debug> [1683207607.578537] [modem0] operator ID: 25020 ModemManager[5702]: <debug> [1683207607.578546] [modem0] allowed roaming: yes ModemManager[5702]: <debug> [1683207607.578555] [modem0] APN: internet.tele2.ru ModemManager[5702]: <debug> [1683207607.578565] [modem0] APN type: unspecified ModemManager[5702]: <debug> [1683207607.578578] [modem0] IP family: ipv4 ModemManager[5702]: <debug> [1683207607.578591] [modem0] allowed authentication: none, pap, chap, mschap, mschapv2, eap ModemManager[5702]: <debug> [1683207607.578600] [modem0] user: unspecified ModemManager[5702]: <debug> [1683207607.578620] [modem0] password: unspecified ModemManager[5702]: <debug> [1683207607.578632] [modem0] multiplex: unspecified ModemManager[5702]: <info> [1683207607.578645] [modem0] simple connect state (6/10): register ModemManager[5702]: <debug> [1683207607.578684] [modem0] already registered manually in selected network '25020', manual registration not launched... ModemManager[5702]: <info> [1683207607.578722] [modem0] simple connect state (7/10): wait to get packet service state attached ModemManager[5702]: <debug> [1683207609.787703] [ttyUSB2/at] <-- '<CR><LF>^BOOT:43586687,0,0,0,20<CR><LF>' ModemManager[5702]: <debug> [1683207612.575020] [modem0] loading signal quality... ModemManager[5702]: <debug> [1683207612.575096] [ttyUSB2/at] device open count is 2 (open) ModemManager[5702]: <debug> [1683207612.575130] [ttyUSB2/at] --> 'AT+CIND?<CR>' ModemManager[5702]: <debug> [1683207612.629165] [ttyUSB2/at] <-- '<CR><LF>+CIND: 5,3,1,0,0,1,0,0<CR><LF><CR><LF>OK<CR><LF>' ModemManager[5702]: <debug> [1683207612.629371] [modem0] signal quality updated (60) ModemManager[5702]: <debug> [1683207612.629402] [ttyUSB2/at] device open count is 3 (open) ModemManager[5702]: <debug> [1683207612.629425] [ttyUSB2/at] device open count is 2 (close) ModemManager[5702]: <debug> [1683207612.629448] [ttyUSB2/at] --> 'AT^SYSINFO<CR>' ModemManager[5702]: <debug> [1683207612.692984] [ttyUSB2/at] <-- '<CR><LF>^SYSINFO:2,1,0,3,1,,3<CR><LF><CR><LF>OK<CR><LF>' ModemManager[5702]: <debug> [1683207612.693140] [modem0] periodic signal quality and access technology checks scheduled ModemManager[5702]: <debug> [1683207612.693168] [ttyUSB2/at] device open count is 1 (close) ModemManager[5702]: <debug> [1683207617.578589] [modem0] user request to disconnect modem (all bearers) ModemManager[5702]: <debug> [1683207617.578760] [modem0] user request to disconnect modem (all bearers) При попытке активации соединения через mmcli: # ModemManager --debug [...] ModemManager[5739]: <debug> [1683207732.573694] [modem0] user request to connect modem ModemManager[5739]: <info> [1683207732.575243] [modem0] simple connect started... ModemManager[5739]: <debug> [1683207732.575277] [modem0] profile ID: unspecified ModemManager[5739]: <debug> [1683207732.575291] [modem0] PIN: unspecified ModemManager[5739]: <debug> [1683207732.575304] [modem0] operator ID: unspecified ModemManager[5739]: <debug> [1683207732.575318] [modem0] allowed roaming: yes ModemManager[5739]: <debug> [1683207732.575332] [modem0] APN: internet.tele2.ru ModemManager[5739]: <debug> [1683207732.575357] [modem0] APN type: unspecified ModemManager[5739]: <debug> [1683207732.575375] [modem0] IP family: unspecified ModemManager[5739]: <debug> [1683207732.575396] [modem0] allowed authentication: unspecified ModemManager[5739]: <debug> [1683207732.575414] [modem0] user: unspecified ModemManager[5739]: <debug> [1683207732.575432] [modem0] password: unspecified ModemManager[5739]: <debug> [1683207732.575444] [modem0] multiplex: unspecified ModemManager[5739]: <info> [1683207732.575457] [modem0] simple connect state (6/10): register ModemManager[5739]: <debug> [1683207732.575495] [modem0] already registered automatically in network '25020', automatic registration not launched... ModemManager[5739]: <info> [1683207732.575532] [modem0] simple connect state (7/10): wait to get packet service state attached [...]