Siemens MC55 manual AT+CHLD=2 OK AT+CHLD=3

MC55 AT Command Set

3.4 AT+CEER

<reason>(num)

s

mobile

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 sub- clause 3.4.1.

<ssRelease>(num)

Release cause for last Supplementary Service call (listed in subclause 3.4.9) or last call related use of a Sup- plementary Service (listed in subclause 3.4.10).

Notes

•AT+CEER is not available for data calls, please use ATS18=1.

•Default output in the case of a no-error-situation is +CEER: 0,0,0.

•If <reason> ￿ 0, then <ssRelease> = 0. Vice versa, if <reason> = 0, then <ssRelease> may be ￿ 0.

Examples

EXAMPLE 1

ATD"01751223344";	A mobile originated call is rejected by the remote party.
NO CARRIER	Call setup is terminated with NO CARRIER.
AT+CEER	To check the cause, the caller enters AT+CEER.
+CEER: 8,21,0	The Location ID 8 stated in subclause 3.4.1 points to subclause 3.4.6,
	where 21 = "Call rejected". 0 = No error (parameter <ssRelease>
OK	is not applicable).

EXAMPLE 2

The user attempts to set up a multiparty call, though there are only two parties involved in the present con- versation:

ATD"01751223344";

OK

AT+CHLD=2

OK AT+CHLD=3

+CME ERROR: operation temporary not allowed

AT+CEER

+CEER: 22,0,2	The Location ID 22 stated in subclause 3.4.1 points to subclause 3.4.10,
	where 2 = "Initial conditions not fulfilled (one active, one held call)".
OK	0 = No error (parameter <reason> is not applicable).

MC55_ATC_V01.05	Page 74 of 469	2/10/04
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