专家你好，
我们在德国Telefonica用BG96测试LTE-M和NBIOT。
LTE-M测试没有问题，但是BG96没法注册到NBIOT，我们是了很多方法，也查看了你们论坛上面的帖子，还是没法解决。
相同的cell用另外一个厂家的支持NBIOT的小设备是可以注册的，所以cell和SIM卡应该是没有问题的。
请帮忙支持一下，非常感谢！
我去了用跟踪工具抓的设备日志，如果需要我可以发送。
2022-03-10 10:27:37:692_R:] AT+QENG=“servingcell”?
[2022-03-10 10:27:37:692_R:] +QENG: “servingcell”,“SEARCH”
[2022-03-10 10:27:37:692_R:] OK
[2022-03-10 10:27:41:392_S:] AT+COPS=?
[2022-03-10 10:27:41:444_R:] AT+COPS=?
[2022-03-10 10:29:31:749_R:] RDY
[2022-03-10 10:29:31:749_R:] APP RDY
[2022-03-10 10:29:35:053_S:] AT+QCSQ
[2022-03-10 10:29:35:106_R:] AT+QCSQ
[2022-03-10 10:29:35:106_R:] +QCSQ: “NOSERVICE”
[2022-03-10 10:29:35:106_R:] OK
[2022-03-10 10:29:36:494_S:] AT+QNWINFO
[2022-03-10 10:29:36:546_R:] AT+QNWINFO
[2022-03-10 10:29:36:546_R:] +QNWINFO: No Service
[2022-03-10 10:29:36:546_R:] OK
[2022-03-10 10:29:38:821_S:] AT+QCFG=“band”?
[2022-03-10 10:29:38:874_R:] AT+QCFG=“band”?
[2022-03-10 10:29:38:874_R:] +QCFG: “band”,0xf,0x40090e189f,0x80000
[2022-03-10 10:29:38:874_R:] OK
[2022-03-10 10:29:41:182_S:] AT+QCFG=“servicedomain”?
[2022-03-10 10:29:41:233_R:] AT+QCFG=“servicedomain”?
[2022-03-10 10:29:41:233_R:] +QCFG: “servicedomain”,1
[2022-03-10 10:29:41:233_R:] OK
[2022-03-10 10:29:42:525_S:] AT+QCFG=“roamservice”?
[2022-03-10 10:29:42:578_R:] AT+QCFG=“roamservice”?
[2022-03-10 10:29:42:578_R:] +QCFG: “roamservice”,1
[2022-03-10 10:29:42:578_R:] OK
[2022-03-10 10:29:43:357_S:] AT+QCFG=“iotopmode”?
[2022-03-10 10:29:43:409_R:] AT+QCFG=“iotopmode”?
[2022-03-10 10:29:43:409_R:] +QCFG: “iotopmode”,1
[2022-03-10 10:29:43:409_R:] OK
[2022-03-10 10:29:44:485_S:] AT+QCFG=“nwscanmode”?
[2022-03-10 10:29:44:538_R:] AT+QCFG=“nwscanmode”?
[2022-03-10 10:29:44:538_R:] +QCFG: “nwscanmode”,3
[2022-03-10 10:29:44:538_R:] OK
[2022-03-10 10:29:45:253_S:] AT+QCFG=“nwscanseq”?
[2022-03-10 10:29:45:306_R:] AT+QCFG=“nwscanseq”?
[2022-03-10 10:29:45:306_R:] +QCFG: “nwscanseq”,030201
[2022-03-10 10:29:45:306_R:] OK
[2022-03-10 10:30:12:373_S:] AT+COPS=1,2,“26207”,9
[2022-03-10 10:30:12:425_R:] AT+COPS=1,2,“26207”,9
[2022-03-10 10:33:20:341_R:] +CME ERROR: 30