Netgear XM128 ISDN User Manual download pdf (Page 102)

Reference Guide for the Model XM128 ISDN Digital Modem

B-4 Security Functions

You are asked to enter the original password, to enter a new password, and then to reenter the new

password for verification. For example, you are prompted with the following:

Password:

Enter the current supervisory password at this prompt. You are then prompted for a new password.

Password:

Enter the new supervisory password at this prompt. You are then prompted to verify the new

password.

Verify:

Enter the new supervisory password again at this prompt. You should receive the following

response:

The supervisory password is now modified.

Use the command AT*Hn to modify the nth user password. You are prompted to enter the

supervisory password first; then the user’s password for this entry is requested and verified. The

command AT*V lists both the 40 user passwords and the supervisor password on the screen for

viewing.

Nonpassword Auto Callback Function

In addition to the standard modem-like security functions described in the previous section, the

Model XM128 modem provides another simpler callback function. The calling party number

(origination address) is checked against the five prestored callback numbers before the B channel

is connected. If the CPN is matched with any one of the numbers, the incoming call is rejected

(without connection and without any charge) and the Model XM128 modem automatically calls

back using the matched phone number. Table B-3 lists the auto callback commands.

Table B-3. Auto callback commands

Command Description

AT*GC0 This command disables the auto callback function (default).

AT*GC1 This command enables the auto callback function.

AT*HCn=xxxx, - n=0,1,..,4 This command sets the prestored numbers.

AT*VC This command lists all the prestored numbers.

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 155 156

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Netgear XM128 ISDN User Manual Page 102