
Dial Service Parameters
117353-B Rev. 00
A-41
Callback Parameters (PPP Demand Circuits only)
The callback parameters, which define the callback feature, are on the PPP
Demand Circuit window Figure A-10
on page A-32.
Parameter: Callback Mode
Path: Dialup > Demand Circuits > Demand Pools >
PPP Circuits
>
PPP Demand Circuits
Default: Inactive
Options: Inactive
|
Server
|
Client
|
Server Call ID
|
Client One Charge
|
Server One
Charge
|
Server One Charge Call ID
Note the following guidelines:
• If the router is set to Server, Client, or Server Call ID, the router performs
CHAP or PAP authentication when it receives a call.
• The one-charge modes ensure that only the server side of the callback
connection incurs phone charges. When you choose any of these options,
the server refuses the call from the client, eliminating charges for the client’s
initial call, but charging the server for its return calls to the client.
• To use any of the one-charge modes, each remote site must have a unique
phone number. The server must be able to identify a single circuit for each
phone number that it calls back.
• If you want to reduce your configuration work and you can purchase
caller ID service, select the modes that use Call ID. These modes do not
require an outgoing phone list to place a call; they rely only on the phone
number in the call setup message.
• If you cannot use caller ID or the phone number in the call setup message is
not sufficient to place an outgoing call (for example, you have to dial 9 to
get an outside line), do not select a Call ID mode.
Function: Determines the role of the router in relation to its peer router, and how the
router identifies which phone number to call back.
Instructions: Select one of the following options:
Inactive
-- Disables the callback feature for this circuit.
Server
-- Designates the router as the callback server. The server receives a
call from the client. It authenticates the caller, disconnects the call, and returns
the call using a phone number in the outgoing phone list.
(continued)
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