ZyXEL Communications PRESTIGE 128MH - Manual (Page 123)

Prestige 128MH PSTN Router/Hub
Dial-In Server Configuration 8-5
Table 8-2. Default Dial-in Setup Fields
Field Description Option
Telco Options: CLID
Authen This field sets the CLID authentication parameter for all
incoming calls. There are three options for this field:
l None - No CLID is required.
l Required – CLID must be available, or the Prestige
will not answer the call.
l Preferred - If the CLID is available then CLID will be
used; otherwise, authentication is performed in
PPP negotiation.
[None]
[Required]
[Preferred]
PPP Options: Recv. Authen This field sets the authentication protocol for incoming
calls. For security reason, setting authentication to none
is strongly discouraged. Options for this field are:
l CHAP/PAP - Your Prestige will try CHAP first, but
PAP will be used if CHAP is not available.
l CHAP – Use CHAP only.
l PAP – Use PAP only.
l None – Your Prestige tries to acquire CHAP/PAP
first, but no authentication is required if CHAP/PAP
is not available.
[CHAP/PAP]
[CHAP]
[PAP]
[None]
PPP Options: Mutual
Authen Some vendors, e.g., Cisco, require mutual
authentication, i.e., the node that initiates the call will
request a user name and password from the far end that
it is dialing to. If the remote node requires mutual
authentication, set this field to Yes. [Yes/No]
PAP Login This field is applicable only if the Mutual Authen. Field is
set to [Yes]. Enter in the login name to be used to
respond to the far end’s PAP authentication request.
This field does not apply to CHAP authentication.
PAP Password This field is applicable only if the Mutual Authen. Field is
set to [Yes]. Enter in the PAP password to be used to
respond to the far end’s authentication request. This field
does not apply to CHAP authentication.