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Appendix D - AT Command Summary
RF300E/RF310E 145
an option in the Numbering Plan section above. For example, a National/ISDN
Calling Party Number IE would be S56=33, where 32 (national) + 1 (ISDN/telephony)
= 33 (National/ISDN). If there is no Data DN/MSN 1 stored (for digital calls) nor Voice
DN/MSN given (for voice/modem/fax calls), then no Calling Party Number IE will be
sent. By default S56=128 which means no Calling Party Number IE is sent. If
S56=129, then the Calling Party Number IE will be sent (if the appropriate DN/MSN
is stored) with the default Type of Number and Numbering Plan used for the given
switch type.
S-Register: S57
Usage: S57=n; S57?
Function: Called Party Number IE Settings
Unit: Decimal ASCII code
Range: n=128 (Disable), Otherwise, n=(Type of Number) + (Numbering Plan)
Type of Number
0—unknown,
16—international,
32—national,
48—network specific,
64—subscriber,
96—abbreviated
Numbering Plan
0—unknown,
1—ISDN/telephony,
3—data,
4—telex,
8—national standard,
9—private
Default: 128 (disabled)
Description: S57 modifies the value of Octet 3 of the Called Party Number Information Element
that is sent within the SETUP message for a data call and within each
INFORMATION message that is sent when dialing from the POTS port. Called Party
Number Information Elements are sent only by the NET3, VN4, and INS64 switch
types. To set a specific number-type and numbering plan, select an option from the
Type of Number section above and add its respective value to the respective value of
an option in the Numbering Plan section above. For example, a National/ISDN Called
Party Number IE would be S57=33, where 32 (national) + 1 (ISDN/telephony) = 33
(National/ISDN). By default S57=128 which means no Called Party Number IE is
sent.
S-Register: S79
S79=n; S79?
Function: Reset Modem After Disconnect
Unit: Decimal ASCII code
Range: n=0 (Do not reset the modem),
n=1 (Reset the modem)
Default: 0 (Do not reset the modem)
Description: S79 allows control of whether the modems associated with the TA port given this
command will reset the modem upon disconnection of the B-channel. The modem is
reset upon disconnect simply to make sure the modem is functioning from a known
state to reduce problems. Also, the modem may not know when the remote peer
disconnects if the B-channel drops before proper disconnect signaling is recognized
by the modem. Because of this, the modem may not disconnect for almost one
minute and so resetting the modem when the B-channel disconnects reduces down-
time for the modem. Refer to S-register
S-83 for a description of which TA ports
affect which modem ports. Resetting a modem takes it out of service for about four
seconds. Some operating systems and some applications have difficulty with the