MTCMR-H4-P1-GB/IE Multi-Tech Systems, MTCMR-H4-P1-GB/IE Datasheet - Page 111

• Manufacturer Part Number: MTCMR-H4-P1-GB/IE
• Description: MODEM CELLULAR QUAD GPRS HSPA
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-H4-P1-GB/IE

• Function: Transceiver, HSPA, Modem
• Modulation Or Protocol: GPRS, GSM, EDGE
• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Data Rate - Maximum: 7.2 Mbps
• Features: UK Power Cord
• Voltage - Supply: 9 V ~ 32 V, USB
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 881-1122

+CMUT Microphone Mute Control
High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A)
Description:
Syntax:
Values:
Parameter Storage:
Examples:
This command mutes the microphone input on the product (for the active microphone set
with the +SPEAKER command). This command is allowed only during a call.
<mode>
Command
AT+CMUT=?
AT+CMUT=1
Note: Mute ON (call active)
AT+CMUT?
Note: Ask for current value
Command
Action Command:
AT+CMUT=<mode>
Read Command:
AT+CMUT?
Test Command:
AT+CMUT =?
Microphone Mute Mode
0
1
None
Microphone mute off. Default
Microphone mute on.
+CMUT: <mode>
OK
+CMUT: (list of supported <mode>s)
OK
Responses
OK
Responses
+CMUT: (0,1)
OK
OK
+CMUT: 1
OK
Note: Mute is active (call active)
Chapter 3 – Supported GSM/WCDMA AT Commands
111