Page 219 of 226
Version: 3.3.5
– DR05 – 23.03.2017
Initializing the modem (continued)
X
Message output, dial tone detection
This command controls how the modem reacts to the dial tone and busy signal
and how it displays the CONNECT messages.
ATX0 No busy and dial tone detection
i.e. NO CARRIER is displayed in response to a failed dialing attempt. Messages:
OK, CONNECT, RING, NO CARRIER, ERROR and NO ANSWER are displayed
ATX1 Like ATX0 but CONNECTxxx messages with speed specification
ATX2 Busy tone detection disabled, dial tone detection enabled
Messages: OK, CONNECT, RING, NO CARRIER, ERROR, NO ANSWER and
NO DIAL TONE are displayed
ATX3
Busy tone enabled, dial tone detection disabled
Messages: OK, CONNECT xxx, RING, NO CARRIER, ERROR, NO ANSWER
ATX4 Busy tone and dial tone detection enabled
Messages: OK, CONNECTxxx, RING, NO CARRIER, ERROR, NO ANSWER
and NO DIAL TONE
ISDN terminal adapter (TA) commands
26.2
B
Defines the transmission protocol in the B channel
ATB0: V.110 asynchronous
ATB3: PPP asynchronous to synchronous conversion (PPP asynchronous single link)
ATB4: HDLC transparent
ATB5: Byte transparent (B channel data)
ATB10: X.75 transparent
ATB13: V.120
ATB20: X.31 B channel (X.25 B channel)
ATB21: X.31 D channel
N
Defines the transmission rate in V.110 mode
ATN0
Automatic connection speed
ATN1 Connection speed 1,200 bps
ATN2 Connection speed 2,400 bps
ATN3 Connection speed 4,800 bps
ATN4 Connection speed 9,600 bps
ATN5 Connection speed 19,200 bps
#Z
Defines the MSN (multiple subscriber number)
All calls are accepted if the number is set to
“*” (asterisk) (default setting).
An MSN generally has to be entered as this is required by most PBX systems. The
MSN must also be enabled for the data service.
AT#Z=n
Sets MSN to n
