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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Internet Services
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
154
z
0: indicates all the bytes that are being read from the current UDP data packet.
z
1…(max.data size)-1: indicates that the current UDP data packet has not been
completely read. The displayed value indicates the number of the remaining
bytes.
10.8.3 ^SISR - Command for Reporting Unsolicitedly
URC
<CR><LF>^SISR: <srvProfileId >,<urcCauseId><CR><LF>
Function
The ^SISR command (command for unsolicitedly reporting data) notifies
the upper layer that certain data can be read.
URC
<CR><LF>^SISR: 80 percent of the receiving buffer has been
full<CR><LF>
Function
The ^SISR command (command for unsolicitedly reporting data) notifies
the upper layer that 80 percent of the receiving buffer has been used.
URC
<CR><LF>^SISR: the receiving buffer has been full<CR><LF>
Function
^SISR command (command for unsolicitedly reporting data) notifies the
upper layer that all the receiving buffer has been used.
Note:
If the buffer is not read or queried by the ^SISR command when data is available, no report will
be submitted to the upper layer when new data arrives.
Parameter description
<urcCauseId>: indicates whether there is data to be read.
z
1: indicates that data is available and can be read by sending the AT^SISR
command.
z
2: indicates that the data transmission has ended (this setting is not supported
currently).
10.8.4 Exmaples
Example:
Read data from the service buffer.
Precondition: The data service connection has been established and successfully
enabled; there is data in the buffer.
AT^SISR=1,25
^SISR: 1,25
Message of MG323 is here.
OK