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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Call Control
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
73
<subaddr>: string type subaddress of format specified by <satype>
<satype>: type of subaddress octet in integer format
<alpha>: string type, not supported currently
<CLI validity>: integer type
z
0: The CLI is valid.
z
1: The CLI is withheld by the caller.
z
2: The CLI is not available due to interworking problems or limitations of
originating network
7.17 RING – Command for Unsolicitedly Reporting
Incoming Calls
This command indicates that the module has an incoming call.
If AT+CRC is set to 0, this command is reported in the case of an incoming call.
URC
<CR><LF>RING<CR><LF>
7.18 +CRING – Command for Unsolicitedly Reporting
Incoming Calls
This command indicates that the module has an incoming call.
If AT+CRC is set to 1, this command is reported in the case of an incoming call.
URC
<CR><LF>+CRING: <type><CR><LF>
Parameter description
<type>: character string.
Table 7-3 lists the values.
Table 7-3 <type> values
Value Description
"REL ASYNC" Asynchronous non-transparent transmission
"GPRS" PDP context activation request at the GPRS network side
“VOICE”
Voice call