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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Lines/Trunks
Page 3-14Selecting Line/Trunk Options
3
Hold Disconnect Interval 3
This option allows you to set the number of milliseconds (ms) before the line/trunk
is released when a caller on hold hangs up and abandons the call. Local
telephone companies use either a long (450 ms) or short (50 ms) interval. The
factory setting for the system is the long interval, since it is the interval used by
most telephone companies.
Check with the local telephone company for the disconnect interval used.
If the local telephone company uses the short interval, you must change the
factory setting. If you do not change the setting, when a caller waiting on hold
hangs up, the line/trunk is not released.
Planning Form Instructions 3
In the Hold Disc. Interval column on Form 2c, do
one
of the following:
■ To change to a short hold disconnect interval (50 ms), put a check in the
Short column.
NOTE:
If the local telephone company uses a short hold disconnect interval,
be sure you have checked No for Loop-Start Reliable Disconnect, as
described earlier in this section.
■ To keep the factory setting, a long hold disconnect interval (450 ms), put a
check in the Long column.