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Select Dialing to Dual ISPs if you have more than one ISP. You will be able to dial to both
ISPs at the same time. This is mainly for those ISPs that do not support Multiple-Link PPP
(ML-PPP). In such cases, dialing to two ISPs can increase the bandwidth utilization of the
ISDN channels to 128kbps data speed.
Available settings are explained as follows:
Item
Common Settings
PPP/MP Setup
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Description
Enable Dual ISPs Function - Check to enable the Dual
ISPs function.
Require ISP Callback (CBCP) -If your ISP supports the
callback function, check this box to activate the Callback
Control Protocol during the PPP negotiation.
Link Type
for different purpose.
dial-out function. Dialup 128Kbps allows you to use both
ISDN B channels for Internet access. Dialup BOD stands
for bandwidth-on-demand. The router will use only one B
channel in low traffic situations. Once the single B channel
bandwidth is fully used, the other B channel will be
activated automatically through the dialup.
PPP Authentication - PAP only allows you to configure
the PPP session to use the PAP protocol to negotiate the
username and password with the ISP. PAP or CHAP can
configure the PPP session to use the PAP or CHAP
protocols to negotiate the username and password with the
ISP.
Idle Timeout - Idle timeout means the router will be
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There are three link types provided here
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Link Disable disables the ISDN
VigorIPPBX 2820 Series User's Guide
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