Appendix A. AT Commands and S-Registers

S53 CALL TYPE

S54 PROTOCOL

TYPE

S58 CALL SCREEN-

ING

Call type (Dial service only). 0=Speech

1=Audio

2=56 Kbps data 3=64 Kbps data

Rate adaption protocol type. 2=Async BONDING 5=V110

6=V.120

11=Fallback

12=PPP async-to sync conversion

Allows the Express XRT to screen incoming calls.

0=Answer any call

1=Answer only calls from numbers match- ing those stored in SN0 through SN9.

SS60

SPID1 LOC

SPID string location (only for use in North

 

 

America).

SS61

SPID2 LOC

SPID string location (only for use in North

 

 

America).

SS62

LDN1 LOC

ISDN phone number string location.

SS63

LDN2 LOC

ISDN phone number string location

S65

AUTOSPID

Sets the AutoSpid determination feature

 

 

(only for use in North America).

 

 

0=Disable (default)

 

 

1=Enable

SS67

AREA CODE

Area code location (only for use in North

 

 

America).

S71

DTE RATE

Selects the DTE connector bit rate.

 

 

3 = 1200

 

 

6 = 2400

 

 

8 = 4800

 

 

11

=

9600

 

 

15

=

19200

 

 

17

=

38400

 

 

20

=

57600

 

 

23

=

115200

 

 

25

=

230400

S72

DATA BITS

Selects the number of asynchronous data

 

 

bits.

 

 

 

0 = 8 bits

 

 

1 = 7 bits

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Express XRT User Guide

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ADTRAN Express XRT S53 Call Type S54 Protocol S58 Call Screen ING, SPID1 LOC, SPID2 LOC, LDN1 LOC, LDN2 LOC, Autospid