LevelOne VOI-7011 - Manual (Page 75)

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Send
Anonymous
CID Select No if you subscribe to CallerID
service on your PSTN line, otherwise Yes
Management
from WAN Select Yes to allow user manage the IP
Phone from WAN
Send Flash
Event Select DTMF Event, the Flash will be sent
as a DTMF event. Select SIP INFO, Flash
is transmitted by SIP INFO messages
SIP Encrypt This feature only work with ITSP required.
PPPoE Retry
Period Set Re-connect time period when DSL
PPPoE connection is disconnected.
System Log
Server Enter IP address or URL of log server
System Log
Type To set the log type, it depends on your
network administrator requirement.