1e41f4b71Sopenharmony_ci# Telephony Error Codes 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci> **NOTE** 4e41f4b71Sopenharmony_ci> 5e41f4b71Sopenharmony_ci> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci## 8300001 Input Parameter Value Out of Range 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Error Message** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThe input parameter value is out of range. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Description** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThis error code is reported if the value of the input parameter (for example, **slotId**) is not within the valid range. In this case, the API call will fail and the corresponding operation cannot be performed. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**Possible Causes** 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ciThe input parameter value is invalid. 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci**Procedure** 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ciEnter a valid parameter value. 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci## 8300002 Service Connection Error 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**Error Message** 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ciService connection failed. 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci**Description** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ciThis error code is reported if the attempt to connect to a service fails. 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci**Possible Causes** 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ciService startup or IPC connection has failed. 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci**Procedure** 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ciOperation error. Try again later. 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci## 8300003 System Internal Error 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci**Error Message** 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ciSystem internal error. 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ci**Description** 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ciThis error code is reported if an internal system error occurs. 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci**Possible Causes** 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ciThe possible cause is that data read/write has failed because the network is abnormal. 60e41f4b71Sopenharmony_ci 61e41f4b71Sopenharmony_ci**Procedure** 62e41f4b71Sopenharmony_ci 63e41f4b71Sopenharmony_ciOperation error. Try again later. 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ci 66e41f4b71Sopenharmony_ci## 8300004 SIM Card Not Detected 67e41f4b71Sopenharmony_ci 68e41f4b71Sopenharmony_ci**Error Message** 69e41f4b71Sopenharmony_ci 70e41f4b71Sopenharmony_ciNo SIM card found. 71e41f4b71Sopenharmony_ci 72e41f4b71Sopenharmony_ci**Description** 73e41f4b71Sopenharmony_ci 74e41f4b71Sopenharmony_ciThis error code is reported if no SIM card is detected. 75e41f4b71Sopenharmony_ci 76e41f4b71Sopenharmony_ci**Possible Causes** 77e41f4b71Sopenharmony_ci 78e41f4b71Sopenharmony_ciNo SIM card is inserted or the SIM card is not properly inserted. 79e41f4b71Sopenharmony_ci 80e41f4b71Sopenharmony_ci**Procedure** 81e41f4b71Sopenharmony_ci 82e41f4b71Sopenharmony_ciInsert the SIM card or remove and insert the SIM card again. 83e41f4b71Sopenharmony_ci 84e41f4b71Sopenharmony_ci 85e41f4b71Sopenharmony_ci## 8300999 Unknown Error 86e41f4b71Sopenharmony_ci 87e41f4b71Sopenharmony_ci**Error Message** 88e41f4b71Sopenharmony_ci 89e41f4b71Sopenharmony_ciUnknown error. 90e41f4b71Sopenharmony_ci 91e41f4b71Sopenharmony_ci**Description** 92e41f4b71Sopenharmony_ci 93e41f4b71Sopenharmony_ciThis error code is reported if an unknown error occurs. 94e41f4b71Sopenharmony_ci 95e41f4b71Sopenharmony_ci**Possible Causes** 96e41f4b71Sopenharmony_ci 97e41f4b71Sopenharmony_ciAn unexpected error occurs in the system. The possible cause is that error codes of the bottom layer are not within the processing range. 98e41f4b71Sopenharmony_ci 99e41f4b71Sopenharmony_ci**Procedure** 100e41f4b71Sopenharmony_ci 101e41f4b71Sopenharmony_ciOperation error. Try again later. 102e41f4b71Sopenharmony_ci 103e41f4b71Sopenharmony_ci 104e41f4b71Sopenharmony_ci## 8301001 SIM Card Not Activated 105e41f4b71Sopenharmony_ci 106e41f4b71Sopenharmony_ci**Error Message** 107e41f4b71Sopenharmony_ci 108e41f4b71Sopenharmony_ciSIM card is not activated. 109e41f4b71Sopenharmony_ci 110e41f4b71Sopenharmony_ci**Description** 111e41f4b71Sopenharmony_ci 112e41f4b71Sopenharmony_ciThis error code is reported if the SIM card is not activated. 113e41f4b71Sopenharmony_ci 114e41f4b71Sopenharmony_ci**Possible Causes** 115e41f4b71Sopenharmony_ci 116e41f4b71Sopenharmony_ciThe SIM card is not activated. 117e41f4b71Sopenharmony_ci 118e41f4b71Sopenharmony_ci**Procedure** 119e41f4b71Sopenharmony_ci 120e41f4b71Sopenharmony_ciActivate the SIM card. 121e41f4b71Sopenharmony_ci 122e41f4b71Sopenharmony_ci 123e41f4b71Sopenharmony_ci## 8301002 Failed to Read or Update SIM Card Data 124e41f4b71Sopenharmony_ci 125e41f4b71Sopenharmony_ci**Error Message** 126e41f4b71Sopenharmony_ci 127e41f4b71Sopenharmony_ciThe SIM card failed to read or update data. 128e41f4b71Sopenharmony_ci 129e41f4b71Sopenharmony_ci**Description** 130e41f4b71Sopenharmony_ci 131e41f4b71Sopenharmony_ciThis error code is reported if the attempt to read or update SIM card data has failed. 132e41f4b71Sopenharmony_ci 133e41f4b71Sopenharmony_ci**Possible Causes** 134e41f4b71Sopenharmony_ci 135e41f4b71Sopenharmony_ciThe SIM card does not support the operation, or the SIM card is damaged. 136e41f4b71Sopenharmony_ci 137e41f4b71Sopenharmony_ci**Procedure** 138e41f4b71Sopenharmony_ci 139e41f4b71Sopenharmony_ciContact the SIM card supplier, or replace the SIM card. 140e41f4b71Sopenharmony_ci 141e41f4b71Sopenharmony_ci 142e41f4b71Sopenharmony_ci## 8301003 Incorrect SIM Card Configuration 143e41f4b71Sopenharmony_ci 144e41f4b71Sopenharmony_ci**Error Message** 145e41f4b71Sopenharmony_ci 146e41f4b71Sopenharmony_ciOperator config error. 147e41f4b71Sopenharmony_ci 148e41f4b71Sopenharmony_ci**Description** 149e41f4b71Sopenharmony_ci 150e41f4b71Sopenharmony_ciThis error code is reported if the SIM card configuration is incorrect. 151e41f4b71Sopenharmony_ci 152e41f4b71Sopenharmony_ci**Possible Causes** 153e41f4b71Sopenharmony_ci 154e41f4b71Sopenharmony_ciThe configuration file delivered with the SIM card is not properly preconfigured. 155e41f4b71Sopenharmony_ci 156e41f4b71Sopenharmony_ci**Procedure** 157e41f4b71Sopenharmony_ci 158e41f4b71Sopenharmony_ciCheck whether the correct SIM card is inserted. 159e41f4b71Sopenharmony_ci 160e41f4b71Sopenharmony_ci## 8401001 Failed to Connect to the UT 161e41f4b71Sopenharmony_ci 162e41f4b71Sopenharmony_ci**Error Message** 163e41f4b71Sopenharmony_ci 164e41f4b71Sopenharmony_ciUT is not connected. 165e41f4b71Sopenharmony_ci 166e41f4b71Sopenharmony_ci**Description** 167e41f4b71Sopenharmony_ci 168e41f4b71Sopenharmony_ciThis error code is reported if the UT is not connected. 169e41f4b71Sopenharmony_ci 170e41f4b71Sopenharmony_ci**Possible Causes** 171e41f4b71Sopenharmony_ci 172e41f4b71Sopenharmony_ciThe current carrier does not support sending of UT requests over a Wi-Fi network, but the phone is actually connected to the Wi-Fi network. 173e41f4b71Sopenharmony_ci 174e41f4b71Sopenharmony_ci**Procedure** 175e41f4b71Sopenharmony_ci 176e41f4b71Sopenharmony_ciDisconnect the Wi-Fi connection, and send a new UT request. 177