User's Manual

2. CALL CONTROL
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LZT 123 7361 R1A
2.8 ATX Call Progress Monitoring Control
Defines if the dial-tone detection and busy-tone detection are to be used
during a call set-up.
Note! If there is no network available the <n> parameter will decide if “NO
DIALTONE” or “NO CARRIER” will be returned. If the call recipient
is busy, the <n> parameter will decide if “BUSY” or “NO CARRIER”
will be returned.
2.9 AT+CHUP Hang up Call
Causes the TA to hang-up the current call of the ME.
If no call is present, but an incoming call is notified, then the incoming
call shall be rejected.
Description Command Possible Responses
Set call progress
monitoring control
ATX=[<n>] or ATX[<n>] •OK
•ERROR
Read the current
setting
ATX? X: <n>
Show if the command
is supported?
ATX=? X: (list of supported
<n>s)
<n> Description
0 Body and dial tone detection off. No line speed reported
on connection
1 Body and dial tone detection off. Report line speed on
connection
2 Busy detection on and dial tone detection off. Report line
speed on connection
3 Busy detect off and dial tone on. Report line speed on
connection
4 Busy detect and dial tone detection on. Report line
speed on connection. Default value
Description Command Possible Responses
Request hang-up AT+CHUP •OK
•ERROR
Show if the commands
is supported
AT+CHUP=? •OK
•ERROR