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| enum | MMConnectionError | 
| enum | MMCoreError | 
| enum | MMMessageError | 
| enum | MMMobileEquipmentError | 
| enum | MMSerialError | 
| enum | MMCdmaActivationError | 
This section defines errors that may be reported when using methods from the ModemManager interface.
Common errors that may be reported by ModemManager.
| Operation failed. | ||
| Operation was cancelled. | ||
| Operation was aborted. | ||
| Operation is not supported. | ||
| Cannot operate without valid plugins. | ||
| Authorization is required to perform the operation. | ||
| Invalid arguments given. | ||
| Operation is already in progress. | ||
| Operation cannot be executed in the current state. | ||
| Operation cannot be executed while being connected. | ||
| Too many items. | ||
| Item not found. | ||
| Operation cannot yet be performed, retry later. | ||
| Item already exists. | 
Enumeration of message errors, as defined in 3GPP TS 27.005 version 10 section 3.2.5.
| ME failure. | ||
| SMS service reserved. | ||
| Operation not allowed. | ||
| Operation not supported. | ||
| Invalid PDU mode parameter. | ||
| Invalid text mode parameter. | ||
| SIM not inserted. | ||
| SIM PIN required. | ||
| PH-SIM PIN required. | ||
| SIM failure. | ||
| SIM busy. | ||
| SIM wrong. | ||
| SIM PUK required. | ||
| SIM PIN2 required. | ||
| SIM PUK2 required. | ||
| Memory failure. | ||
| Invalid index. | ||
| Memory full. | ||
| SMSC address unknown. | ||
| No network. | ||
| Network timeout. | ||
| No CNMA Acknowledgement expected. | ||
| Unknown error. | 
Enumeration of Mobile Equipment errors, as defined in 3GPP TS 07.07 version 7.8.0.
Serial errors that may be reported by ModemManager.
| Unknown serial error. | ||
| Could not open the serial device. | ||
| Could not write to the serial device. | ||
| A response was not received on time. | ||
| Could not open the serial port, no device. | ||
| Could not flash the device. | ||
| The serial port is not open. | ||
| The serial port specific parsing failed. | ||
| The serial port reported that the frame marker wasn't found (e.g. for QCDM). | 
CDMA Activation errors.
| No error. | ||
| An error occurred. | ||
| Device cannot activate while roaming. | ||
| Device cannot activate on this network type (eg EVDO vs 1xRTT). | ||
| Device could not connect to the network for activation. | ||
| Device could not authenticate to the network for activation. | ||
| Later stages of device provisioning failed. | ||
| No signal available. | ||
| Activation timed out. | ||
| API call for initial activation failed. |