User Manual

Iridium Communications, Inc. Information Contained in this Guide
Iridium 9523 Product Developers’ Guide is Subject to Change Without Notice
Revision 2.6
Iridium Communications, Inc. Distribution of Guide Restricted
Proprietary & Confidential Information Page 58 of 115 to Product Developers
Only
5.7.63 Hn - Hangup
Control the hook switch. This command is used to clear a data call connection. It is also used to clear a
voice call connection when the Iridium 9523 has originated the voice call with the ATD dial command or
terminated the voice call with the ATA or ATS0=n answer command.
0 Place the Iridium 9523 on hook.
5.7.64 S0=n - Auto-Answer
Auto-answer. This causes the Iridium 9523 to auto-answer the incoming data or voice call.
0 Disable auto-answer.
n>0 Enable auto-answer after n rings
5.7.65 Xn - Extended Result Codes
Select the response set to be used by the Iridium 9523 when informing the FA of the results of a
command or data or voice call.
0 OK, CONNECT, RING, NO CARRIER, NO ANSWER and ERROR
CONNECT response is used to inform of a data call connection; OK response is
used to inform of a voice call connection.
1 As X0 plus CONNECT x, where x is the FA speed
CONNECT x response is used for data calls only.
2 As X1 plus NO DIALTONE
3 As X2 plus BUSY
4 As X3 plus CARRIER x, PROTOCOL: and COMPRESSION:, where x is the line speed
(default)
CARRIER x, PROTOCOL:, and COMPRESSION: responses are used for data calls
only.
Note that the Wn command limits which connection related responses will be reported.
5.7.66 +CLVL - Volume Level Control
Exec Command: +CLVL=<level>
This command is used to select the ‘volume’ of the audio on the audio path. <level> is an integer type
value with the smallest value representing the lowest sound level.
Read Command: +CLVL?
Query the current volume level settings. The response is in the form:
+CLVL: <level>
0 Equivalent to level 0 displayed on a handset’s volume indicator
1 Equivalent to level 1 displayed on a handset’s volume indicator
2 Equivalent to level 2 displayed on a handset’s volume indicator
3 Equivalent to level 3 displayed on a handset’s volume indicator
4 Equivalent to level 4 displayed on a handset’s volume indicator