BinTec X4000, Руководство пользователя

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170 X4000 User’s Guide
Basic Configuration of Basic Unit with Setup Tool
7
➤
Confirm with OK.
You have returned to WAN P
ARTNER
➧
ADD.
Setting short hold Now set short hold so that X4000 clears down the ISDN connection when there
is no further data exchange to save money. The short hold setting can be either
static or dynamic and tells X4000 the duration of the idle time, after which it is
to clear down the ISDN connection.
Static The static
➤➤
short hold setting determines how much time should pass
between sending the last
➤➤
data packet and clearing the ISDN connection.
Enter a fixed period of time in seconds.
Dynamic With the dynamic short hold setting, no fixed period of time is specified and the
length of an ISDN charging unit is considered instead. Dynamic short hold is
based on AOCD (advice of charge during the call).
When setting dynamic short hold, you specify how much time should pass after
the last exchange of data before the connection is cleared. You enter a
percentage based on the last charging unit. The value of the idle timer can
therefore change, just as the length of the charging unit changes (according to
the time of day, weekend, weekday, etc.). If you enter 50 %, for example, the
idle timer is 60 seconds if the preceding charging unit was 120 seconds, and
300 seconds if the preceding charging unit was 600 seconds. The connection
is cleared on expiry of the idle timer and shortly before the next charging unit
starts.
In some cases, the caller cannot be identified with
➤➤
CLID , although
entered as a WAN partner. In this case, your X4000 does not know which
authentication protocol was set for this WAN partner. To enable the call to still
be accepted,
X4000 falls back on general settings in the PPP, which you can
change as necessary ( chapter 8.1.3, page 194 ).
Please note: You can only use dynamic short hold if you receive charging
information during the connection. Ask your telephone company.