User guide

Chapter 14 – Short Message Service Control Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 77
SMS Status Report Indication Directly Displayed +CDS
Description: This response indicates an SMS status report has been received and according to the message
storage preferences (+CNMI), is to be directly displayed.
Status report messages are not saved to NV; the host application must be communicating with
the modem by either the UART or USB channel. In addition, there is not RI pulse.
Syntax: Response Syntax: +CDS: <n>, <mr>, [<ra>] , [<tora>], <scts>,<dt>,<st> (Text mode)
Example Result
+CDS : 2, 1, ”3146290800”, 129, “98/10/01,12 :30 :07+04”, “98/10/01 12 :30 :08+04”, 32768
Note: SMS status report received
Values: <n> Always 2
<mr> Message Reference
<ra> Recipient Address
<tora> Type-of-Address of <ra>
<scts> Service Center Time Stamp in string format : “yy/MM/dd,hh :mm :ss±zz”
(Year/Month/Day,Hour:Min:Seconds±TimeZone)
<dt> Discharge Time in string format: “yy/MM/dd,hh :mm :ss±zz”
(Year [00-99], Month [01-12], Day [01-31], Hour, Minute, Second and Time Zone
[quarters of an hour] )
<st> Status of a SMS-STATUS-REPORT (See table below)
Codes for SMS Status Report
Code Description
Network Problems
0 Address vacant
1 Address translation failure
2 Network resource shortage
3 Network failure
4 Invalid teleservice ID
5 Other network problem
Terminal Problems
32 No page response
33 Destination busy
34 No acknowledgment from transport layer
35 Destination resource shortage
36 SMS delivery postponed
37 Destination out of service
38 Destination no longer at this address
39 Other terminal problem
Radio Interface Problems
64 Radio interface resource shortage
65 Radio interface incompatible
66 Other radio interface problem
General problems (IS-41D)
96 Unexpected parameter size
97 SMS Origination denied
98 SMS Termination denied
99 Supplementary service not supported
100 SMS not supported
101 Reserved
102 Missing expected parameters
103 Missing mandatory parameters
104 Unrecognized parameter value
105 Unexpected parameter value
106 User data size error
107-255 No acknowledgement / Unknown error