Motorola SM56 manual Command Syntax, Command Response, AT#UD Last Call Status Report Format

AT#UD Unimodem

Diagnostic

Command

The Unimodem Diagnostic Command Specification is provided by Microsoft to enable modems to exhibit consistent behavior during data session diagnos- tics. The latest specification revision of this command can be found on the Microsoft Web site.

Command Syntax:

AT#UD

#UD is an action command. It does not take parameters.

Although this command is intended for use after call termination, codes are defined so that a modem can respond before the call is placed, and during a call for live monitoring purposes.

Command Response:

In response to this command, the modem reports information about the modem. Each information text line is formatted as follows, including one or more key=value pairs:

DIAG <token key = value [[key = value] [key = value]] …>

Where, token is a unique 32-bit hex number 2A4D3263 key is a hex number, described in column 1 of Table 1. value is a string defined by column 2 in Table 1.

Note

Unless otherwise noted, all values are hexadecimal numbers.

Table 6- AT#UD Last Call Status Report Format

Key	Value	Definition
0	2 digits	Diagnostic Command Specification revision number
1	See Table 7	Call Setup Result code
2	See Table 8	Multi-media mode
3	See Table 9	DTE-DCE interface mode
4	String	V.8 CM octet string, same format as V.25ter Annex
		A, in quotes
5	String	V.8 JM octet string, same format as V.25ter Annex
		A, in quotes
6 - F		Reserved for call negotiation reports
10	0-2F	Received signal power level, in –dBm (0-43)
11	0-1F	Transmit signal power level, in –dBm (e.g. 0-17)
12	0-64	Estimated noise level, in –dBm (e.g. 10-90)

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