Also
set the outside line access code if users typically have to dial 9+number ( OutsideLineAccessCode ).
The next set of options pertains to user settings within the call. To keep the number of available lines
open for users to call in, it may be necessary to adjust the number of times an incorrect logon can be
entered before the call is disconnected. This is accomplished with the LogonFailuresBeforeDisconnect
parameter. The default value is 3. During the pilot phase of UM, it would be prudent to set this value
higher, because it may take users some time to acclimate to this new voice mail system. Once the user
has successfully entered a PIN and is navigating through the call tree, two parameters may need to be
modified to compensate for user error and latency. Input failures ( InputFailuresBeforeDisconnect )
refers to the number of times a user can incorrectly enter input into the system, either verbally or via
DTMF, before the call is disconnected. By default this value is set to 3. The other parameter is the input
timeout ( InputTimeout ). The value for this parameter is measured in seconds and is 5 by default.
In this case pilot phase of UM a lot of effort was concentrated on simulating different kinds of user
behaviors. We tested users who would enter each digit very slowly, all the way up to users who had the
call tree memorized and would dial four of five digits in rapid succession.
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