NAL RESEARCH CORPORATION A3LA-R, Руководство пользователя

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A3LA-R-MIL-MOD User Guide Version B
Document Number: 451-93156-001A 120 of 159
B.121 +XCSI – E
XTENDED
C
ALL
S
TATE
I
NFORMATION
This proprietary unsolicited announcement was added to allow the DTE to keep track
of call state during Call Hold and Multiparty operations using AT+CHLD.
Exec Command: none
Unsolicited Announcement:
+XCSI=<overall call_state>,<active call_state>,<held_call state>,<active
index>,<held index>
where:
<overall call_state>:
0 Idle (dialling possible)
1 One single-party call active
2 One multiparty call active
3 Incoming call arriving (otherwise idle)
4 One single-party call active, plus waiting call
5 One multiparty call active, plus waiting call
6 One single-party call held (dialing possible)
7 One multiparty call held (dialing possible)
8 Dual single-party call (one active, one held)
9 Dual call: single party call held, multiparty call active
10 Dual call: single party call active, multiparty call held
11 One single-party call held, plus waiting call
12 One multiparty call held, plus waiting call
13 Dual single-party call (one active, one held), plus waiting call
14 Dual call: single party call held, multiparty call active, plus waiting call
15 Dual call: single party call active, multiparty call held, plus waiting call
16 Busy, i.e. one or more calls are waiting for the network to process a change
<active call_state>, <held call state>:
0 Call is idle
1 MO establishment in progress