C55/C55i AT COMMAND SET Description Preliminary - Falcom

C55/C55I AT COMMAND SET VERSION 1.00
locate the other two parameters. Depending on the failure or release
cause either or are applicable.
Parameter Description
(num)
Location ID as number code. Location IDs are listed in subclause
2.4.1. Each ID is related with another table that contains a list of
s or s.
(num)
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 2.4.1.
(num)
Release cause for last Supplementary Service call (listed in subclause
3.4.9) or last call related use of a Supplementary Service (listed in
subclause 0).
Notes
• AT+CEER is not available for data calls, please use ATSIS=1 .
• Default output in the case of a no-error-situation is +CEER: 0,0,0.
• If ^ 0, then = 0. Vice versa, if = 0,
then may be ^ 0.
Examples
EXAMPLE 1
ATD"01751223344" ; A mobile originated call is rejected by the
remote party.
NO CARRIER Call set-up 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 2.4.1
points to subclause 2.4.6, where 21 = "Call
rejected". 0 = No error (parameter
is not applicable).
OK
EXAMPLE 2
The user attempts to set up a multiparty call, though there are only two
parties involved in the present conversation:
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
2.4.1 points to subclause 0, where 2 =
"Initial conditions not fulfilled (one active,
one held call)".
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