LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 106 / 231
Parameter
7.19. AT+QECCNUM Configure Emergency Call Numbers
The command can be used to query, add and delete ECC numbers (emergency call numbers). There are
two kinds of ECC numbers: ECC numbers without (U)SIM and ECC numbers with (U)SIM. The default
ECC numbers without SIM is 911, 112, 00, 08, 110, 999, 118 and 119. The default ECC number with
(U)SIM is 911 and 112. 911 and 112 will always be supported as ECC numbers, and cannot be deleted.
ECC numbers can be saved into NV automatically. If the (U)SIM card contains ECC file, the numbers in
ECC file can also be regarded as ECC numbers.
The maximal supported ECC numbers of each type is 20.
+CRLP: <iws>,<mws>,<T1>,<N2>,<ver>
OK
Write Command
AT+CRLP=[<iws>[,<mws>[,<T1>[,<N2
>[,<ver>]]]]]
Response
TA sets radio link protocol (RLP) parameters used when
non-transparent data calls are set up.
OK
<iws> 0-61 Interworking window size (IWF to MS)
0-240-488 For <ver>=2
<mws> 0-61 Mobile window size (MS to IWF)
0-240-488 For <ver>=2
<T1> 38-48-255 Acknowledgment timer T1 in a unit of 10ms
42-52-255 For <ver>=2
<N2> 1-6-255 Retransmission attempts N2
<ver> 0-2 RLP version number in integer format
AT+QECCNUM Configure Emergency Call Numbers
Test Command
AT+QECCNUM=?
Response
+QECCNUM: (0-2)
OK
Write Command
AT+QECCNUM=<mode>,<type>[,<ecc
Response
If <mode> is equal to 0, query the ECC numbers. In this
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