4xem IPVS1A, User Manual

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environment. An incorrect dialing prefix may cause Video Server to fail when dialing out.
" Redial attempts " means how many times Video Server should try to connect to each ISP.
Setting the value in " Disconnect after minutes " will force Video Server to drop the connection
when there is no activity on the connection for the specific period. The range of this period is
from 1 to 240 minutes, with 0 indicating a continuous connection. Administrators may let Video
Server keep the connection for a while to allow connections from outside. The IP address given
by the ISP can be taken from the connection log that is mailed or uploaded when dial-up
connection is successful. Setting the value to zero will make Video Server always keep the
connection.
Based on the settings of DI/DO in the application, the system will send mail or upload via FTP
with image attachment upon the event occurring. In that case Video Server will need a network
connection and automatically dial out to the pre-configured server outside. When a connection is
successfully established, Video Server will send out a connection log to notify given network
settings. For those installations that may switch the network interface between Ethernet and PPP,
administrators should notice that the settings of FTP or SMTP servers might be different from
what is in an Ethernet environment. If the network interface is changed, administrators may need
to configure them in advance.
Video Server will try the second ISP as a backup when the first ISP fails and exceeds the redial
attempts. " ISP phone number " should be the complete phone number including country code
and area code if necessary. " Login username " and " Login password " are used to pass the PPP
negotiation requested by the ISP server. Note that the pair of login name and password is
dependent on the ISP and is different from what is used in the authentication process in web
access.
When using modem as the network connection, Video Server will mute the audio
automatically, and send video only because the low bandwidth environment doesn’t meet the
requirement for both. In the Client setting page, protocol option will be set as Http protocol.