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