Cmut - Mute Control; Crc - Cellular Result Codes - Iridium 9523 Developer's Manual

Iridium Communications, Inc.
Iridium 9523 Product Developers' Guide
Revision 2.6
5 Equivalent to level 5 displayed on a handset's volume indicator
6 Equivalent to level 6 displayed on a handset's volume indicator
7 Equivalent to level 7 displayed on a handset's volume indicator
Test Command: +CLVL=?
List the supported volume level settings. The response is in the form:
+CLVL: (supported <level>s)

5.7.67 +CMUT - Mute Control

Exec Command: +CMUT=<n>
This command is used to enable and disable the uplink voice muting during a voice call. <n> can take
one of the following values:
0 mute off
1 mute on
Read Command: +CMUT?
Query the current mute setting. The response is in the form:
+CMUT: <n>
Test Command: +CMUT=?
List the supported mute settings. The response is in the form:
+CMUT: (supported <n>s)

5.7.68 +CRC - Cellular Result Codes

Set Command: +CRC=[<mode>]
Set the extended format of incoming data or voice call indication.
<mode> takes the following values:
0 Disable extended format (default)
1 Enable extended format
If extended format is enabled, the unsolicited result code +CRING: <type> is returned by the Iridium 9523
instead of RING, where <type> can be one of the following:
ASYNC asynchronous transparent
SYNC synchronous transparent
REL ASYNC asynchronous non-transparent
REL SYNC synchronous non-transparent
FAX facsimile
VOICE normal voice
Read Command: +CRC?
Query the current result code settings. The response is in the form:
+CR: <mode>
Test Command: +CRC=?
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