Technical Reference for ZyXEL omni.net series
8-14
password for matching with the local omni.net pre-stored password list.
With a Type 2 connection, the remote terminal will be prompted to enter the password at the initial
connection and the local omni.net will match the entered password with the pre-stored password
list.
These two types of security are summarized in the following table:
Type 1 Security
Type 2 Security
Remote
(Calling) Site
ZyXEL
ISDN device only.
Any brand ISDN TA.
Password
Check
Automatic Interactive
Protocols
Supported
X.75, V.120
Any data protocol (V.110, V.120, X.75)
AT Commands
[AT*G1] for Level 1 security
[AT*G2] for Level 2 security
[AT*G3] for Level 1 security
[AT*G4] for Level 2 security
[AT*G5] for Level 3 security
Table 53. Two Types of Security Settings
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
