Specifications

Chapter 3 – Status Control Commands
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 49
3.5 ATS18 Extended Call Release Report
Description: ATS18 controls the presentation of extended call release reports for circuit switched fax and data
calls. Extended call release reports related to voice calls are controlled via AT+CEER.
The call release report is presented in numeric format and shows as follows:
+CAUSE: <locationID>:<reason>
If enabled the message will be reported every time a fax or data call is released or fails to be
established.
Read Command Syntax: ATS18?
Read Response: <n>
OK
Write Command Syntax: ATS18=<n>
Write Response: OK
ERROR
Parameter Descriptions:
<n>
An odd number enables the presentation of the extended call release report. Any even number disables this
feature. This parameter can be stored with the the AT&W command. It can be displayed with the AT&V
command. The default is 0.
0...255
<locationID>
Location ID as number code, see also <locationID> of AT+CEER.
Location IDs are listed in Section 3.4.1, Cause Location ID for the extended error report. Each ID is related to
another table that contains a list of <reason>s.
<reason>
Reason for last call release as number code (see also <reason> of AT+CEER).
<reason> numbers and the associated descriptions are listed in several tables, sorted by different categories at
AT+CEER. The tables can be found proceeding from the Location IDs listed in Section 3.4.1, Cause Location ID
for the extended error report.
Examples
Example 1
ATS18=1 Enables the presentation of extended call release reports.
OK
ATD03012345678 Now, a mobile originated data call fails.
+CAUSE: 8:17 An extended error report is output, followed by the result code BUSY.
BUSY The Location ID 8 stated in Section 3.4.1 points to Section 3.4.4, with 17 = “User busy”.
Example 2
ATS18=1 Enables the presentation of extended call release reports.
OK
ATD03012345678 Now, a mobile originated data call is set up.
CONNECT 9600/RLP
Hello,....
+++ Call ends after remote party hung up.
+CAUSE: 8:16 Normal call release is reported, followed by the result code NO CARRIER.
NO CARRIER The Location ID 8 stated in Section 3.4.1 points to Section 3.4.4, with 16 = “Normal call
clearing”.
3.6 AT+CPAS Mobile Equipment Activity Status
Description: The AT+CPAS execute command indicates the activity status of the ME.
Test CommandSyntax : AT+CPAS=?
Test Response: +CPAS: (list of supported<pas>s)
OK
Exec Command: AT+CPAS
Response: +CPAS: <pas>
OK
Parameter Description
<pas>
0 Ready
3 Incoming call (ringing)
4 Call in progress or call hold