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HE863 family AT commands reference guide
80377ST10083a Rev.6 – 2012-11-12
Reproduction forbidden without written authorization from Telit Communications S.p.A.- All Rights Reserved.
Page 84 of 229
+CMUT - Microphone Mute Control
Note: this command mutes/activates both microphone audio paths, internal mic and
external mic.
AT+CMUT?
Read command reports whether the muting of the microphone audio line during a
voice call is enabled or not, in the format:
+CMUT: <n>
AT+CMUT=?
Test command reports the supported values for
<n>
parameter.
Reference
3GPP TS 27.007
3.5.3.4.16.
Accumulated Call Meter - +CACM
+CACM - Accumulated Call Meter
AT+CACM=
[<pwd>]
Set command resets the Advice of Charge related Accumulated Call Meter stored in
SIM (ACM): it contains the total number of home units for both the current and
preceding calls.
Parameter:
<pwd>
- to access this command PIN2; if PIN2 has been already input once after
startup, it is required no more
AT+CACM?
Read command reports the current value of the SIM ACM in the format:
+CACM: <acm>
where:
<acm>
- accumulated call meter in home units, string type: three bytes of the
ACM value in hexadecimal format (e.g. “00001E” indicates decimal
value 30)
Note: the value
<acm>
is in home units; price per unit and currency are defined
with command
+CPUC
AT+CACM=?
Test command returns the
OK
result code
Reference
3GPP TS 27.007
3.5.3.4.17.
Accumulated Call Meter Maximum - +CAMM
+CAMM - Accumulated Call Meter Maximum
AT+CAMM=
[<acmmax>
[,<pwd>]]
Set command sets the Advice of Charge related Accumulated Call Meter Maximum
Value stored in SIM (ACMmax). This value represents the maximum number of
home units allowed to be consumed by the subscriber. When ACM reaches
<acmmax>
value further calls are prohibited.
Parameter:
<acmmax>
- string type containing the accumulated call meter maximum value
coded in hexadecimal format under, value zero disables ACMmax feature.
<pwd>
- PIN2; if PIN2 has been already input once after startup, it is required no
more
AT+CAMM?
Read command reports the ACMmax value stored in SIM in the format: