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2. CALL CONTROL
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LZT 123 7361 R1B
termination character are ignored. This is to allow the DTE to append
additional control characters such as line feed after the command line
termination character.
2.4 ATH Hang up
Signals the MS to terminate an active call.
<dial_string> Description
“0 1 2 3 4 5 6 7 8
9 * # +”
Valid characters for origination
W The W modifier is ignored but is included only for compatibility
purposes
, The comma modifier is ignored but is included only for compatibility
purposes
T The T modifier is ignored but is included only for compatibility
purposes
P The P modifier is ignored but is included only for compatibility
purposes
<Final Result
Code>
Description
CONNECT If connection is successfully established, only valid for data
connections
CONNECT
<text>
If connection is successfully established, only valid for data
connections
NO CARRIER Unable to establish a connection or the connection attempt was
aborted by the user
ERROR An unexpected error occurred while trying to establish the connection
NO DIALTONE The mobile phone is being used for a voice call or is not within
coverage of the network
BUSY The phone number called is engaged, valid for data and voice
connections
OK Only valid for voice connections
<text> Description
19200 Connected with data bit rate of 19200 bits/s (HSCSD)
9600 Connected with data bit rate of 9600 bits/s
4800 Connected with data bit rate of 4800 bits/s
2400 Connected with data bit rate of 2400 bits/s
Description Command Possible Responses
Terminate the call ATH • ERROR
•OK