EXPRESS XR modem/telephone/ISDN Settings and Configuration

ADTRAN

EXPRESS XR

Card Type
ISDN TA
Chip Set
Unidentified
I/O Options
RJ-45 ISDN BRI U interface, 25-pin DTE port, power
ISDN Rate
230.4Kbps
ISDN Modulation Protocol
PPP
Error Correction/Compression
Unidentified
Data Bus
External

CONNECTIONS
Function
Label
Function
Label
Power
CN1
ISDN BRI interface (RJ-45)
CN3
25-pin DTE port
CN2

USER CONFIGURABLE SETTINGS
Function
Label
Position
î
SW1/1
On
230.4Kbps
SW1/1
Off
î
SW1/2
On
Returns to factory default profile
SW1/2
Off
î
SW1/3
Unidentified
î
SW1/4
Unidentified

DIAGNOSTIC LED(S)
LED
Color
Status
Condition
TD
Green
On
Modem is transmitting data
TD
Green
Off
Modem is not transmitting data
RD
Green
On
Modem is receiving data
RD
Green
Off
Modem is not receiving data
B1
Green
On
B-channel 1 data call connected
B1
Amber
On
Loopback channel protocol test in progress on B-channel 1
B1
Amber
Blinking
Remote test originate on B-channel 1
B1
Green
Blinking (fast)
Attempting TEI registration on B-channel 1
B1
Green
Blinking (slow)
Attempting SPID registration on B-channel 1
B1
Green
Off
No activity on B-channel 1
B2
Green
On
B-channel 2 data call connected
B2
Amber
On
Loopback channel protocol test in progress on B-channel 2
B2
Amber
Blinking
Remote test originate on B-channel 2
B2
Green
Blinking (fast)
Attempting TEI registration on B-channel 2
B2
Green
Blinking (slow)
Attempting SPID registration on B-channel 2
B2
Green
Off
No activity on B-channel 2
PWR
Green
On
Power is on; link is established
PWR
Green
Blinking
Power is on; link is not established
PWR
Green
Off
Power is off

SUPPORTED COMMAND SET
Basic AT Commands
AT, ‘+++’, A/
A, E, Q, V
&R, &S
Extended AT Commands
\Q
S Registers
S0, S2, S3, S4, S5, S7, S12, S25
Note:
See MHI Help File for full command documentation.

Proprietary AT Command Set

CALLING NUMBER IDENTIFIERS
Type:
Configuration
Format:
AT [cmds] &N n [cmds]
Description:
Selects far-end phone number to read if service is subscribed from telephone company
Command
Function
&N0
Number 1
&N1
Number 2

DATA CARRIER DETECT (DCD)
Type:
Configuration
Format:
AT [cmds] &C n [cmds]
Description:
Selects whether the DCD option is enabled or disabled
Command
Function
&C0
DCD enabled
&C1
DCD enabled after carrier signal detected
&C2
DCD disabled with local disconnect
&C3
DCD disabled with link down

DATA TERMINAL READY (DTR)
Type:
Configuration
Format:
AT [cmds] &D n [cmds]
Description:
Selects modem response to DTR
Command
Function
&D0
DTR ignored
&D1
DTR drop causes online command mode
&D2
DTR drop causes modem to go on-hook

DIAL
Type:
Immediate
Format:
AT [cmds] D<#> [cmds]
Description:
Dials telephone number according to any modifiers included in the string

FACTORY DEFAULT PROFILE
Type:
Configuration
Format:
AT [cmds] &F [cmds]
Description:
Sets values in active profile to values found in the default profile
Command
Function
&F0
Factory default: fallback to auto-protocol detection
&F1
Internet 64Kbps
&F2
Internet 128Kbps
&F3
Remote access 64Kbps
&F4
Remote access 128Kbps
&F7
Configures unit for 57.6Kbps async dial mode
&F8
Configures unit for 115.2Kbps async dial mode
&F11
Configures unit for FALLBACK

HOOK CONTROL
Type:
Immediate
Format:
AT [cmds] H n [cmds]
Description:
Selects whether the modem is on-hook or off-hook
Command
Function
H0
Modem commanded to go on-hook (hang-up)

ON-LINE
Type:
Immediate
Format:
AT [cmds] O n [cmds]
Description:
Controls on-line command (data transmission) state options.
Note: The O command must be placed at the end of the command string.
Command
Function
O0
On-line command mode with no retraining enabled

REPORT INFORMATION
Type:
Immediate
Format:
AT [cmds] I n [cmds]
Description:
Displays information requested
Command
Function
I0
Reports modem model ID
I1
Reports software version

SELECT CALL PROGRESS RESULT CODES
Type:
Configuration
Format:
AT [cmds] X n [cmds]
Description:
Enables selection of tone detection and associated result code format options
Command
Function
X0
Simple CONNECT message
X1
CONNECT messages with bit rate
X2
CONNECT messages with bit rate
X3
CONNECT messages with bit rate
X4
CONNECT messages with bit rate
X5
CONNECT messages with bit rate
X6
CONNECT messages with bit rate
X7
CONNECT messages with bit rate

SOFT RESET
Type:
Immediate
Format:
AT [cmds] Z n [cmds]
Description:
Restores modem profiles previously saved in non-volatile RAM using the &W command.

STORE ACTIVE PROFILE
Type:
Configuration
Format:
AT [cmds] &W n [cmds]
Description:
Writes the values for the active profile into the non-volatile RAM

STORE TELEPHONE NUMBER
Type:
Configuration
Format:
AT [cmds] &Z n =(phone # & modifiers)
Description:
Writes selected telephone numbers into the non-volatile memory at location n
Command
Function
&Z0
Stored telephone number 0
&Z1
Stored telephone number 1
&Z2
Stored telephone number 2
&Z3
Stored telephone number 3
&Z4
Stored telephone number 4
&Z5
Stored telephone number 5
&Z6
Stored telephone number 6
&Z7
Stored telephone number 7
&Z8
Stored telephone number 8
&Z9
Stored telephone number 9

SPECIAL COMMANDS

CONFIGURATION MENU
Type:
Immediate
Format:
AT [cmds] !V n [cmds]
Description:
Views configuration menu

DETECT MODEM
Type:
Immediate
Format:
AT [cmds] !Z n [cmds]
Description:
Detects modem connected toExpress XRT

EXTERNAL MODEM INTERFACE
Type:
Configuration
Format:
AT [cmds] _L n [cmds]
Description:
Enables/disables external modem
Command
Function
_L0
External analog modem disabled
_L1
External analog modem enabled

ISDN D-CHANNEL PROTOCOL
Type:
Configuration
Format:
AT [cmds] _S n [cmds]
Description:
Selects network switch type
Command
Function
_S0
AT&T 5ESS
_S1
Northern Telecom DMS-100
_S2
National ISDN-1

RTS DELAY
Type:
Configuration
Format:
AT [cmds] _D n [cmds]
Description:
Selects RTS control line delay
Command
Function
_D0
1ms
_D1
18ms

STATUS
Type:
Immediate
Format:
AT [cmds] !S n [cmds]
Description:
Displays status buffer and link status
Command
Function
!S0
Displays status buffer
!S1
Displays link status

S(STATUS) -REGISTERS

AREA CODE
Type:
Register
Format:
AT [cmds] S67= n [cmds]
Description:
Selects area code location. Further information is unavailable.

ASYNCHRONOUS BONDING
Type:
Register
Format
AT [cmds] S15= n [cmds]
Range:
0-1
Unit:
Unidentified
Description:
Selects asynchronous bonding mathod
Command
Function
î
ADTRAN revision 0
S15=1
Multi-vendor option

AUTOSPID
Type:
Register
Format:
AT [cmds] S65= n [cmds]
Description:
Enables/disables autospid determination feature
Command
Function
î
Autospid determination disabled
S65=1
Autospid determination enabled

BIT-MAPPED REGISTER S14
Format:
AT [cmds] S14= n [cmds]
Range:
Unidentified
Unit:
Bit-mapped
Description:
Controls echo, result codes and display, dial mode, and answer/originate mode.
Bit
Value
Function
2
0
1
Command echo disabled
Command echo enabled
3
0
1
Result codes enabled
Result codes disabled
4
0
1
Display result codes in numeric format
Display result codes in verbose format
6, 5
0
Not used
7
0
1
PPP ACCM spoofing enabled
PPP ACCM spoofing disabled
8
0 1
Ring indicator remains on
Ring indicator blinking

BIT-MAPPED REGISTER S22
Format
AT [cmds] S22= n [cmds]
Range:
Unidentified
Unit:
Bit-mapped
Description:
Limits results codes
Bit
Value
Function
7 - 5
0
1
Basic result codes only enabled
Basic and connection speed result codes enabled

BIT-MAPPED REGISTER S94
Format:
AT [cmds] S94= n [cmds]
Range:
Unidentified
Unit:
Bit-mapped
Description:
Controls tone generation
Bit
Value
Function
0
0
1
In-band tone generation from ISDN switch
All tones generated locally
1
0
1
Warnings to POTS when unavailable
Warning to POTS disabled
7, 2
0
Not used

BOND - TANULL
Type:
Register
Format
AT [cmds] S44= n [cmds]
Range:
0-255
Default:
10
Unit:
1 second
Description:
Specifies time the answering endpoint attempts to detect the Asynchronous BONDING negotiation pattern from the originating endpoint before aborting to clear channel mode.

BOND - TCID
Type:
Register
Format
AT [cmds] S45= n [cmds]
Range:
0-255
Default:
5
Unit:
1 second
Description:
Specifies time both endpoints attempt to negotiate agreeable values for B-channels and channel capacities before deciding the Asynchronous BONDING call has failed.

BOND - TXADD01
Type:
Register
Format
AT [cmds] S42= n [cmds]
Range:
0-255
Default:
50
Unit:
1 second
Description:
Specifies time both endpoints wait for an additional call to be connected at the end of negotiation before deciding the Asynchronous BONDING call has failed

BOND - TXDEQ
Type:
Register
Format
AT [cmds] S43= n [cmds]
Range:
0-255
Default:
50
Unit:
1 second
Description:
Specifies time both endpoints attempt to equalize the network delay between the B-channels before deciding the Asynchronous BONDING call has failed

BOND - TXFA
Type:
Register
Format
AT [cmds] S41= n [cmds]
Range:
0-255
Default:
10
Unit:
1 second
Description:
Specifies time both endpoints attempt to detect the Asychronous BONDING frame pattern when a call is connected before deciding the Asynchronous BONDING call has failed

BOND - TXINIT
Type:
Register
Format
AT [cmds] S40= n [cmds]
Range:
0-255
Default:
10
Unit:
1 second
Description:
Specifies time the originating endpoint attempts to detect the Asychronous BONDING negotiation pattern from the answering endpoint before deciding the Asynchronous BONDING call has failed

CALL SCREENING
Type:
Register
Format:
AT [cmds] S58= n [cmds]
Description:
Screens incoming calls
Command
Function
S58=0
Answers any calls
S58=1
Answer only calls matching those stored in SN0 - SN9

CALL TYPE (DIAL)
Type:
Register
Format:
AT [cmds] S53= n [cmds]
Description:
Selects call type in dial mode
Command
Function
S53=0
Speech
S53=1
Audio
S53=2
56Kbps data mode
S53=3
64Kbps data mode

CALL TYPE ROUTING
Type:
Register
Format:
AT [cmds] S93= n [cmds]
Description:
Determines how an incoming call is routed when connected to a piont-to-point ISDN line
Command
Function
S93=0
Route all call types to DTE
S93=1
Route speech call types to POTS
S93=2
Route speech and audio call types to POTS

CHAP
Type:
Register
Format:
AT [cmds] S118= n [cmds]
Description:
Enables/disables challenge handshake authentication protocol
Command
Function
S118=0
CHAP enabled
S118=32
CHAP disabled

CONFERENCE ID
Type:
Register
Format:
AT [cmds] S90= n [cmds]
Description:
Selects NI - 1 feature ID number for conferencing. See ISDN service provider for ID

DATA BITS
Type:
Register
Format:
AT [cmds] S72= n [cmds]
Description:
Selects 7-bit or 8-bit character length
Command
Function
S72=0
8-bits
S72=1
7-bits

DATA CARRIER DETECT (DCD)
Type:
Register
Format:
AT [cmds] S33= n [cmds]
Description:
Selects whether the DCD option is enabled or disabled
Command
Function
S33=0
DCD enabled
S33=1
DCD enabled after carrier signal detected
S33=2
DCD disabled with local disconnect
S33=3
DCD disabled with link down

DATA SET READY (DSR)
Type:
Register
Format:
AT [cmds] S32= n [cmds]
Description:
Selects DSR options
Command
Function
S32=0
DSR forced high
S32=1
DSR high only while modem is handshaking or connected
S32=2
DSR high only while modem is connected

DATA TERMINAL READY (DTR)
Type:
Register
Format:
AT [cmds] S34= n [cmds]
Description:
Selects modem response to DTR
Command
Function
S34=0
DTR ignored
S34=1
AT command mode on low DTR
S34=2
Dump ioncoming call on low DTR
S34=4
Hang up incoming call on low DTR
S34=8
Hang up ioutgoing call on low DTR
S34=16
Answer incoming call on high DTR
S34=28
Idle mode on low DTR
S34=32
Dial SN0 on high DTR
S34=64
Dial SN0 on DTR toggle

DTE PARITY
Type:
Register
Format:
AT [cmds] S73= n [cmds]
Description:
Selects number of asynchronous data bits
Command
Function
S73=0
None
S73=1
Odd
S73=2
Even

DTE RATE
Type:
Register
Format
AT [cmds] S71= n [cmds]
Description:
Selects DTE connector bit rate
Command
Function
S71=3
1200bps
S71=6
2400bps
S71=8
4800bps
S71=11
9600bps
S71=15
19.2Kbps
S71=17
38.4Kbps
S71=20
57.6Kbps
S71=23
115.2Kbps
S71=25
230.4Kbps

FLOW CONTROL
Type:
Register
Format:
AT [cmds] S75= n [cmds]
Description:
Selects asynchronous flow control
Command
Function
S75=0
None
S75=1
XON/OFF from DTE controls DCE
S75=2
XON/OFF from DCE controls DTE
S75=3
Hardware flow control enabled
S75=12
Software flow control enabled

ISDN D-CHANNEL PROTOCOL
Type:
Register
Format:
AT [cmds] S52= n [cmds]
Description:
Selects network switch type
Command
Function
S52=0
AT&T 5ESS
S52=1
Northern Telecom DMS-100
S52=2
National ISDN-1

ISDN1
Type:
Register
Format:
AT [cmds] S62= n [cmds]
Description:
Sets ISDN phone number string location 1

ISDN2
Type:
Register
Format:
AT [cmds] S63= n [cmds]
Description:
Sets ISDN phone number string location 2

PPP MODE
Type:
Register
Format
AT [cmds] S27= n [cmds]
Description:
Determine single or multilink PPP operation
Command
Function
S27=0
PPP enabled
S27=1
MLPPP enabled
S27=2
Data compression enabled

PROTOCOL TYPE
Type:
Register
Format:
AT [cmds] S54= n [cmds]
Description:
Selects rate adaptation protocol type
Command
Function
S54=2
Asynchronous BONDING
S54=6
V.120
S54=11
FALLBACK
S54=12
PPP async-to-sync conversion

REMOTE PASSWORD
Type:
Register
Format:
AT [cmds] SS77= n [cmds]
Unit:
Decimal
Description:
Selects numeric password string for remote configuration

RTS DELAY
Type:
Register
Format:
AT [cmds] S31= n [cmds]
Description:
Selects RTS control line delay
Command
Function
S31=0
1ms
S31=17
18ms

RTS/CTS
Type:
Register
Format:
AT [cmds] S30= n [cmds]
Description:
Selects RTS/CTS options
Command
Function
S30=0
CTS follows RTS in data mode; RTS is ignored in command mode.
S30=1
CTS forced high, RTS is ignored.

SPID1
Type:
Register
Format:
AT [cmds] S60= n [cmds]
Description:
Sets SPID string location 1

SPID2
Type:
Register
Format:
AT [cmds] S61= n [cmds]
Description:
Sets SPID string location 2

STOP BITS
Type:
Register
Format:
AT [cmds] S74= n [cmds]
Description:
Selects number of asynchronous stop bits
Command
Function
S74=0
1 stop bit
S74=1
1.5 stop bit
S74=2
2 stop bits

STRING LOCATION
Type:
Register
Format:
AT [cmds] SS80 - SS89= n [cmds]
Range:
0 - 9
Description:
Selects stored number string.

TRANSFER ID
Type:
Register
Format:
AT [cmds] S91= n [cmds]
Description:
Selects NI - 1 feature ID number for transferring. See ISDN service provider for ID

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Card Type	ISDN TA
Chip Set	Unidentified
I/O Options	RJ-45 ISDN BRI U interface, 25-pin DTE port, power
ISDN Rate	230.4Kbps
ISDN Modulation Protocol	PPP
Error Correction/Compression	Unidentified
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Power	CN1	ISDN BRI interface (RJ-45)	CN3
25-pin DTE port	CN2

USER CONFIGURABLE SETTINGS
Function	Label	Position
î	SW1/1	On
230.4Kbps	SW1/1	Off
î	SW1/2	On
Returns to factory default profile	SW1/2	Off
î	SW1/3	Unidentified
î	SW1/4	Unidentified

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TD	Green	On	Modem is transmitting data
TD	Green	Off	Modem is not transmitting data
RD	Green	On	Modem is receiving data
RD	Green	Off	Modem is not receiving data
B1	Green	On	B-channel 1 data call connected
B1	Amber	On	Loopback channel protocol test in progress on B-channel 1
B1	Amber	Blinking	Remote test originate on B-channel 1
B1	Green	Blinking (fast)	Attempting TEI registration on B-channel 1
B1	Green	Blinking (slow)	Attempting SPID registration on B-channel 1
B1	Green	Off	No activity on B-channel 1
B2	Green	On	B-channel 2 data call connected
B2	Amber	On	Loopback channel protocol test in progress on B-channel 2
B2	Amber	Blinking	Remote test originate on B-channel 2
B2	Green	Blinking (fast)	Attempting TEI registration on B-channel 2
B2	Green	Blinking (slow)	Attempting SPID registration on B-channel 2
B2	Green	Off	No activity on B-channel 2
PWR	Green	On	Power is on; link is established
PWR	Green	Blinking	Power is on; link is not established
PWR	Green	Off	Power is off

SUPPORTED COMMAND SET
Basic AT Commands
AT, ‘+++’, A/
A, E, Q, V
&R, &S
Extended AT Commands
\Q
S Registers
S0, S2, S3, S4, S5, S7, S12, S25
Note: See MHI Help File for full command documentation.

CALLING NUMBER IDENTIFIERS
Type:	Configuration
Format:	AT [cmds] &N n [cmds]
Description:	Selects far-end phone number to read if service is subscribed from telephone company
Command	Function
&N0	Number 1
&N1	Number 2

DATA CARRIER DETECT (DCD)
Type:	Configuration
Format:	AT [cmds] &C n [cmds]
Description:	Selects whether the DCD option is enabled or disabled
Command	Function
&C0	DCD enabled
&C1	DCD enabled after carrier signal detected
&C2	DCD disabled with local disconnect
&C3	DCD disabled with link down

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &D n [cmds]
Description:	Selects modem response to DTR
Command	Function
&D0	DTR ignored
&D1	DTR drop causes online command mode
&D2	DTR drop causes modem to go on-hook

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [cmds] &F [cmds]
Description:	Sets values in active profile to values found in the default profile
Command	Function
&F0	Factory default: fallback to auto-protocol detection
&F1	Internet 64Kbps
&F2	Internet 128Kbps
&F3	Remote access 64Kbps
&F4	Remote access 128Kbps
&F7	Configures unit for 57.6Kbps async dial mode
&F8	Configures unit for 115.2Kbps async dial mode
&F11	Configures unit for FALLBACK

HOOK CONTROL
Type:	Immediate
Format:	AT [cmds] H n [cmds]
Description:	Selects whether the modem is on-hook or off-hook
Command	Function
H0	Modem commanded to go on-hook (hang-up)

ON-LINE
Type:	Immediate
Format:	AT [cmds] O n [cmds]
Description:	Controls on-line command (data transmission) state options.
Note: The O command must be placed at the end of the command string.
Command	Function
O0	On-line command mode with no retraining enabled

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] I n [cmds]
Description:	Displays information requested
Command	Function
I0	Reports modem model ID
I1	Reports software version

SELECT CALL PROGRESS RESULT CODES
Type:	Configuration
Format:	AT [cmds] X n [cmds]
Description:	Enables selection of tone detection and associated result code format options
Command	Function
X0	Simple CONNECT message
X1	CONNECT messages with bit rate
X2	CONNECT messages with bit rate
X3	CONNECT messages with bit rate
X4	CONNECT messages with bit rate
X5	CONNECT messages with bit rate
X6	CONNECT messages with bit rate
X7	CONNECT messages with bit rate

SOFT RESET
Type:	Immediate
Format:	AT [cmds] Z n [cmds]
Description:	Restores modem profiles previously saved in non-volatile RAM using the &W command.

STORE ACTIVE PROFILE
Type:	Configuration
Format:	AT [cmds] &W n [cmds]
Description:	Writes the values for the active profile into the non-volatile RAM

STORE TELEPHONE NUMBER
Type:	Configuration
Format:	AT [cmds] &Z n =(phone # & modifiers)
Description:	Writes selected telephone numbers into the non-volatile memory at location n
Command	Function
&Z0	Stored telephone number 0
&Z1	Stored telephone number 1
&Z2	Stored telephone number 2
&Z3	Stored telephone number 3
&Z4	Stored telephone number 4
&Z5	Stored telephone number 5
&Z6	Stored telephone number 6
&Z7	Stored telephone number 7
&Z8	Stored telephone number 8
&Z9	Stored telephone number 9

CONFIGURATION MENU
Type:	Immediate
Format:	AT [cmds] !V n [cmds]
Description:	Views configuration menu

DETECT MODEM
Type:	Immediate
Format:	AT [cmds] !Z n [cmds]
Description:	Detects modem connected toExpress XRT

EXTERNAL MODEM INTERFACE
Type:	Configuration
Format:	AT [cmds] _L n [cmds]
Description:	Enables/disables external modem
Command	Function
_L0	External analog modem disabled
_L1	External analog modem enabled

ISDN D-CHANNEL PROTOCOL
Type:	Configuration
Format:	AT [cmds] _S n [cmds]
Description:	Selects network switch type
Command	Function
_S0	AT&T 5ESS
_S1	Northern Telecom DMS-100
_S2	National ISDN-1

RTS DELAY
Type:	Configuration
Format:	AT [cmds] _D n [cmds]
Description:	Selects RTS control line delay
Command	Function
_D0	1ms
_D1	18ms

AREA CODE
Type:	Register
Format:	AT [cmds] S67= n [cmds]
Description:	Selects area code location. Further information is unavailable.

ASYNCHRONOUS BONDING
Type:	Register
Format	AT [cmds] S15= n [cmds]
Range:	0-1
Unit:	Unidentified
Description:	Selects asynchronous bonding mathod
Command	Function
î	ADTRAN revision 0
S15=1	Multi-vendor option

AUTOSPID
Type:	Register
Format:	AT [cmds] S65= n [cmds]
Description:	Enables/disables autospid determination feature
Command	Function
î	Autospid determination disabled
S65=1	Autospid determination enabled

BIT-MAPPED REGISTER S14
Format:	AT [cmds] S14= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Controls echo, result codes and display, dial mode, and answer/originate mode.
Bit	Value	Function
2	0 1	Command echo disabled Command echo enabled
3	0 1	Result codes enabled Result codes disabled
4	0 1	Display result codes in numeric format Display result codes in verbose format
6, 5	0	Not used
7	0 1	PPP ACCM spoofing enabled PPP ACCM spoofing disabled
8	0 1	Ring indicator remains on Ring indicator blinking

BIT-MAPPED REGISTER S22
Format	AT [cmds] S22= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Limits results codes
Bit	Value	Function
7 - 5	0 1	Basic result codes only enabled Basic and connection speed result codes enabled

BIT-MAPPED REGISTER S94
Format:	AT [cmds] S94= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Controls tone generation
Bit	Value	Function
0	0 1	In-band tone generation from ISDN switch All tones generated locally
1	0 1	Warnings to POTS when unavailable Warning to POTS disabled
7, 2	0	Not used

BOND - TANULL
Type:	Register
Format	AT [cmds] S44= n [cmds]
Range:	0-255
Default:	10
Unit:	1 second
Description:	Specifies time the answering endpoint attempts to detect the Asynchronous BONDING negotiation pattern from the originating endpoint before aborting to clear channel mode.

BOND - TCID
Type:	Register
Format	AT [cmds] S45= n [cmds]
Range:	0-255
Default:	5
Unit:	1 second
Description:	Specifies time both endpoints attempt to negotiate agreeable values for B-channels and channel capacities before deciding the Asynchronous BONDING call has failed.