Ericsson T39 At Command Reference page 152

Possible responses:
CONNECT
CONNECT <text>
NO CARRIER
ERROR
NO DIALTONE
BUSY
OK
Parameter:
<dial_string>:
<text>
28800
19200
14400
9600
4800
2400
The mobile phone is not registered.
If ATD is unsuccessfully executed by the phone.
The mobile phone is being used for a voice call or is not within coverage of the
network.
The phone number called is engaged; only valid for data and fax connections.
Only valid for voice calls.
<dial_string>
"0 1 2 3 4 5 6 7 8 9 +" Valid characters for origination
W
,
;
T
P
Description
Connected with data bit rate of 28800 bits/s (HSCSD)
Connected with data bit rate of 19200 bits/s (HSCSD)
Connected with data bit rate of 14400 bits/s (HSCSD)
Connected with data bit rate of 9600 bits/s
Connected with data bit rate of 4800 bits/s
Connected with data bit rate of 2400 bits/s
Description
The W modifier is ignored but is included for compatibility
reasons only
The comma modifier is ignored but is included for
compatibility reasons only
Informs the Infrared Modem that the number is a voice
number rather than a fax or data number
The T modifier is ignored but is included only for
compatibility purposes
The P modifier is ignored but is included only for
compatibility purposes
AT Commands Modem Terminated 150