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HC15 AT Command Set

3. Status Control Commands

HC15_ATC_V01.001 Page 45 of 234 2/16/07

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3. Status Control Commands

The AT Commands described in this chapter allow the external application to obtain various status information

from the HC15.

3.1 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 <report> is a single line containing the cause information given by GSM network

in textual format.

Syntax

Parameter Description

release cause report

Reason for the last call failure to setup or release (listed in Section 3.1.1, List of status codes for the extended

error report).

Both CS and PS domain call types are reported. Cause data is captured from Call Manager events and cached

locally to later use by this command.

Test Command

AT+CEER=?

Response(s)

ERROR

+CME ERROR

Exec Command

AT+CEER

Response(s)

+CEER: <report>

ERROR

+CME ERROR

Reference(s) PIN USB0-MDM USB0-APP Last

GSM 07.07 + + + -

(str)

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 233 234

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