Specifications

UC864-E/G AT Commands Reference Guide
80304ST10041a Rev. 3 - 18/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 102 of 259
+CMUT - Microphone Mute Control
AT+CMUT=<n> Set command enables/disables the muting of the microphone audio line
during a voice call.
Parameter:
<n>
0 - mute off, microphone active (factory default)
1 - mute on, microphone muted.
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
3.5.4.4.18 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
3.5.4.4.19 Accumulated Call Meter Maximum - +CAMM
+CAMM - Accumulated Call Meter Maximum
AT+CAMM=
[<acmmax>
Set command sets the Advice of Charge related Accumulated Call Meter
Maximum Value stored in SIM (ACMmax). This value represents the