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9 • Callback
Access Server Administrators’ Reference Guide
136
Introduction
Introduction
The RAS has the ability to call back any user dialing into it. This can provide extra security since you can verify
the user’s identity by calling back to a known number. Callback can also be used to reverse or reduce toll
charges by having the server call the user back.
Callback can be configured on a global basis for all users or on a per-user basis. You can also specify whether
the user dialing in can specify a callback number or must be called back at a pre-determined number. A num-
ber captured by Caller ID can also be used as the number to call back.
At the present time LCP negotiated callback and callback control protocol (CBCP) are supported; text or
script based callback are not supported (Microsoft Windows uses CBCP).
Callback is supported on PRI and robbed bit lines, it is not supported on E1 R2 lines.
Dial-in Modify Configuration
Both the dial-in details and modify windows have an extra entry for callback under configuration. The follow-
ing describes this setting.
Figure 54. Dial-in Configuration showing callback config
Callback (diCallbackConfig)
This is the global callback configuration. This configuration takes precedence over user configuration through
static or RADIUS database. The following options are available:
•
noCallback(0)—callback is globally disabled.
•
setByAuth(1)—callback type is determined by either the static user configuration or radius user configura-
tion.
•
setByCaller(2)—callback is determined by the caller during LCP or CBCP negotiations. The user will set
the phone number to be called back.
•
callingNum(3)—callback using caller ID. The calling number will be used to call back.
Содержание 3120
Страница 8: ...Contents Model 3120 RAS Administrators Reference Guide 8...
Страница 12: ...About this guide Model 3120 RAS Administrators Reference Guide 12...
Страница 16: ...1 Introduction Model 3120 RAS Administrators Reference Guide 16 Saving HTTP HTML Object Changes...
Страница 21: ...21 Chapter 3 Import Export Chapter contents Introduction 22 Export Configuration 22 Import Configuration 24...
Страница 32: ...4 Alarms Model 3120 RAS Administrators Reference Guide 32 Modify Alarms Configuring alarm severity levels...
Страница 134: ...8 Dial Out Model 3120 RAS Administrators Reference Guide 134 An example section of dialout...
Страница 140: ...9 Callback Access Server Administrators Reference Guide 140 Dialout...
Страница 176: ...13 Filter IP Model 3120 RAS Administrators Reference Guide 176 An example of using a filter...
Страница 178: ...14 Frame Relay Model 3120 RAS Administrators Reference Guide 178 Congestion frameEnableCongestion 184...
Страница 226: ...17 MFR Version 2 Model 3120 RAS Administrators Reference Guide 226 MFR Version 2 Modify...
Страница 238: ...19 SNMP Model 3120 RAS Administrators Reference Guide 238 Out...
Страница 250: ...20 System Model 3120 RAS Administrators Reference Guide 250 System Packet Holding Message Blocks...
Страница 299: ...299 Chapter 24 About Chapter contents Introduction 300 Patton Electronics Company contact information 300...
Страница 304: ...25 License Model 3120 RAS Administrators Reference Guide 304 End User License Agreement...
Страница 309: ...309 Appendix B MIB trees Chapter contents Model 2960 MIB Tree Structure 310...