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Local certificate and Trusted CA certificate for this router can be saved within one file.
Please click Backup on the following screen to save them. If you want to set encryption
password for these certificates, please type characters in both fields of Encrypt password
and Confirm password.
Also, you can use Restore to retrieve these two settings to the router whenever you want.
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ISDN means integrated services digital network that is an international communications
standard for sending voice, video, and data over digital telephone lines or normal telephone
wires.
Below shows the menu items for ISDN.
Data call function is supported only when ISDN2 port is configured as ISDN-TE mode. In
normal case, the ISDN2 port is configured as ISDN-TE mode in default. If it is configured as
ISDN-S0 mode, the data call function will not be supported and Dialing to a Single ISP,
Dialing to Dual ISPs and Call Control functions will not be available.
In addition, if ISDN1 port is configured as ISDN-TE mode and ISDN2 is configured as
ISDN2-S0 mode, the data call function will not be supported and Dialing to a Single ISP,
Dialing to Dual ISPs and Call Control functions will not be available, either.
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VigorIPPBX 2820 Series User's Guide
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