User Manual

GM862-GPS Software User Guide
1vv0300729 Rev. 5 - 05/07/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 24 of 120
2.6.1.4 Check for microphone mute setting
The microphone of the active path can be muted with an AT command; to be sure that it is not muted,
it is suggested to check it with this command:
• Send command AT+CMUT?<cr>
• wait for response in the format:
+CMUT: <mute>
OK
where:
<mute> is the muting setting for the microphone:
0 - microphone active
1 - microphone muted
NOTE: The mute setting is different from Volume setting: it refers to both the audio paths, the
mute setting will remain even when changing audio path.
2.6.2 Phone number dialing
2.6.2.1 Dial a given phone number
• Send command ATD <PhoneNumber><cr>
where:
<PhoneNumber> is the phone number to be dialed
• wait for response:
Response Reason Action
OK The call has been placed Wait for the other party to lift
the receiver..
BUSY The line called is busy retry later
NO ANSWER The receiver did not answer the
call
retry later
NO CARRIER Call placing has not been
successful
check for mobile registration
and signal strength (par. 0)