BGS2T AT Command Set
3.4 AT+CEER
BGS2T_ATC_V01.301 Page 76 of 554 1/31/12
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3.4 AT+CEER Extended Error Report
AT+CEER returns an extended error report regarding the reason of the last
• call release
• failure to set up a call (both mobile originated or terminated)
• failure to modify a call by using Supplementary Services
• failed attempt to activate, register, query, deactivate or deregister a Supplementary Service
• unsuccessful GPRS attach or unsuccessful PDP context activation
• GPRS detach or PDP context deactivation
The release cause report is presented in numeric format. Default output in case of a none-error-situation is
+CEER: 0,0,0. A description associated with each number can be found in the tables given in the following sub-
clauses and the relevant GSM specifications.
The first parameter <locationID> serves to locate the other two parameters. Depending on the failure or
release cause either <reason> or <ssRelease> are applicable, i.e. if <reason> 0, then <ssRelease> = 0.
Vice versa, if <reason> = 0, then <ssRelease> may be 0.
In addition to AT+CEER, the command ATS18 can be used to check especially the status of fax and data calls.
When losing network coverage the BGS2T will disconnect the call. In this case, no network release cause is
available, and AT+CEER returns only the default values +CEER: 0,0,0.
Syntax
Parameter Description
Location ID as number code. Location IDs are listed in Section 3.4.1, Cause Location ID for the extended error
report. Most IDs are connected to another table that contains a list of <reason>s or <ssRelease>s.
Reason for last call release as number code. The number codes are listed in several tables, sorted by different
categories in the following subclauses. The tables can be found proceeding from the Location ID given in Sec-
tion 3.4.1, Cause Location ID for the extended error report.
Test Command
AT+CEER=?
Response(s)
OK
ERROR
+CME ERROR: <err>
Exec Command
AT+CEER
Response(s)
+CEER: <locationID>, <reason>, <ssRelease>
OK
ERROR
+CME ERROR: <err>
PIN ASC0 MUX1 MUX2 MUX3 Last Reference(s)
+ + + + + - - 3GPP TS 27.007 [35]
<locationID>
(num)
<reason>
(num)
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