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Host-Based Modem Data Addendum
AT Command Set June 15, 1998
Test and Debug AT Commands (continued)
Lucent Technologies Inc. Version 1.0
26
41 3 digits 0-400 Error Control frame size
42 2 digits 0-FF Error control link timeouts X
43 2 digits 0-FF Error control link NAKs
44 Table 8 0-1 Compression Negotiation Result (Note 7) X
45 4 digits 0-200 Compression dictionary size (Note 7)
46-4F Reserved
50 1 digit 0-2 Transmit flow control: 0 = off; 1 = DC1/DC3; 2 = V.24 ckt 106/133
51 1 digit 0-2 Receive flow control: 0 = off; 1 = DC1/DC3; 2 = V.24 ckt 106/133
52 8 digits 0-FFFFFFFF Transmit characters sent from DTE (Note 8)
53 8 digits 0-FFFFFFFF Received characters sent to DTE (Note 8)
54 8 digits 0-FFFF Transmit characters lost (data overrun errors from DTE) (Note 9)
55 8 digits 0-FFFF Received characters lost (data overrun errors to DTE) (Note 9)
56 8 digits 0-FFFFFFFF Transmit Frame count, if error control protocol running (Note 8) X
57 8 digits 0-FFFFFFFF Received Frame count, if error control protocol running (Note 8) X
58 8 digits 0-FFFF Transmit Frame error count, if error control protocol running (Note 9) X
59 8 digits 0-FFFF Received Frame error count, if error control protocol running (Note 9) X
5A-5F Reserved
60 Tables 9-10 Note 10 Termination Cause X
61 2 digits 0-FF Call Waiting event count
62-7F Reserved for future versions of this specification
80-FF Reserved for manufacturer proprietary keys
Table 2 - Call Setup Result Codes
Code Definition Implemented
0 No previous call (modem log has been cleared since any previous calls) X
1 No dial tone detected X
2 Reorder signal detected, network busy
3 Busy signal detected X
4 No recognized signal detected X
5 Voice detected
6 Text telephone signal detected (see V.18)
7 Data Answering signal detected (e.g. V.25 ANS, V.8 ANSam) X
8 Data Calling signal detected (e.g. V.25 CT, V.8 CI)
9 Fax Answering signal detected (e.g. T.30 CED, DIS)
A Fax Calling signal detected (e.g. T.30 CNG)
B V.8bis signal detected
C-F Reserved
Table 6 - gstnModulationSchemeActive from 3.7.2/V.58
Value (hex) Description Implemented
0 V.17
1 V.21
2 V.22
3 V.22bis
4 V.23 Constant Carrier (1200/75)
5 V.23 Switched Carrier (half duplex)
6 V.26bis
7 V.26ter
8 V.27ter
9 V.29 HD
A V.32 X
B V.32bis
C V.34 X
D V.34 HD
E V.pcm (asymmetric)
F V.pcm (symmetric)
E-7F Reserved (V.58)
80 “X2™”
81 “K56FLEX™” X
82 “V.FC”
83 “V.32terbo”
80-FF Reserved for mfgs