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HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification
SMS Interface Commands
Issue 01 (2011-08-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
87
Figure 8-1 shows the interaction between the TE and the MT in the preceding two
modes.
Figure 8-1 Interaction between the TE and the MT
New short message
RP-ACK
Not acknowledged in a certain
time
TE
MT
NETWORK
Report (^HCMT)
New short message
Acknowledge (+CNMA)
RP-ACK
New short message
Report (^HCMT)
Network timeout RP-ERROR
2. Report the short
message to the TE;
send RP-ERROR if
no acknowledgement
is received in a
certain time
Store the short message in the
MT and report the storage
position (+CMTI)
1. Store the short
message in the MT,
send RP-ACK to the
network, and report
the storage position
Table 8-1 describes the combinations of the preceding two parameters.
Table 8-1 Combinations of the preceding two parameters
<mode>
<mt>
Saving a Short
Message or Not
Reporting a Short
Message or Not
Reporting
Command
0
1
Yes
No
1
1
Yes
Yes
+CMTI
0
2
No
No
1
2
No
Yes
^HCMT
<bm>: Not supported at present. The value is always 0.
<ds>: Used to set a short message return receipt.
0: A short message return receipt is not sent to the TE.
1: The short message return receipt is not stored in the MT but is sent to the TE.
If PDU mode enabled: