skippy: Issue resolved itself after multiple modem unplug/plug "operations".
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skippy: Operating system name and version: Ubuntu 12.04 LTS
Version of smsd: 3.1.14
Smsd installed from: package repository
Name and model of a modem / phone: Huawei E3276
Interface: USB
Modem fails to register with the mobile network. smsd_trouble.log shows:
2013-12-05 11:13:50,5, smsd: Outgoing file checker has started. PID: 1635.
2013-12-05 11:13:50,5, smsd: Everything ok now.
2013-12-05 11:13:52,7, GSM1: -> AT+CREG?
2013-12-05 11:13:52,7, GSM1: Command is sent, waiting for the answer
2013-12-05 11:13:53,7, GSM1: <- +CREG: 0,2 OK
2013-12-05 11:13:53,5, GSM1: MODEM IS NOT REGISTERED, WAITING 1 SEC. BEFORE RETRYING 1. TIME
2013-12-05 11:13:54,7, GSM1: -> AT+CSQ
2013-12-05 11:13:54,7, GSM1: Command is sent, waiting for the answer
2013-12-05 11:13:54,7, GSM1: <- +CSQ: 10,99 OK
2013-12-05 11:13:54,5, GSM1: Signal Strength Indicator: (10,99) -93 dBm (Workable), Bit Error Rate: not known or not detectable
2013-12-05 11:13:54,7, GSM1: -> AT+CREG?
2013-12-05 11:13:54,7, GSM1: Command is sent, waiting for the answer
2013-12-05 11:13:55,7, GSM1: <- +CREG: 0,2 OK
2013-12-05 11:13:55,5, GSM1: MODEM IS NOT REGISTERED, WAITING 1 SEC. BEFORE RETRYING 2. TIME
...
And so on for 100 times, after which smsd_status shows blocked. When testing with another Ubuntu 12.04 server a day earlier with the same conf, everything worked fine.
Where should I look for the cause?
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