Panasonic KX-TDA100 Features Manual page 142

1.14 Optional Device Features
Conditions
WARNING
When you enable the Trunk-to-Trunk Call feature of DISA, and a third party discovers
the password (verified code/personal password) of the PBX, there will be a risk that
they will make fraudulent phone calls using the telephone line, and the cost will be
charged to your own account. In order to avoid this problem, we strongly recommend
the following points:
a)
b)
c)
• Hardware Requirement: The OPB Card and MSG Card.
• DISA Delayed Answer Time
It is possible to set the Delayed Answer time (
caller will hear a ringback tone within a preprogrammed time period first before hearing
an outgoing message (OGM).
• DISA Mute Time
It is possible to set the Mute time until the outgoing message (OGM) plays and the PBX
starts to receive the DTMF signalling after the caller reaches the DISA line.
• Trunk-to-Trunk Call Duration
If a call between two outside parties is established, the call duration can be restricted by
a system timer. If the timer expires, the line will be disconnected unless the originating
caller retries by pressing " " or extends the time by sending any DTMF signalling. (
1.9.8 Trunk Call Limitation) The caller can prolong the call duration within the
preprogrammed time period (
times.
• Tone Detection
The following three types of tone detection can be enabled for each trunk group to
disconnect a trunk-to-trunk call via DISA.
– Silence Detection (
– Continuous Signal Detection (
– Cyclic Signal Detection (
• Call Retry
While hearing a ringback, reorder, or busy tone, retrying the call is possible by pressing
" ". During a trunk-to-trunk conversation, the result of pressing " " is programmable:
retry mode or DTMF mode.
• DISA Reorder Tone Duration
It is possible to set the DISA Reorder Tone Duration time. Reorder tone will be sent to the
caller for a preprogrammed time period. When the timer expires the call will be
disconnected. Retrying the call is possible by pressing " " during the DISA Reorder Tone
Duration time.
• Call Deny
Extensions can deny DISA calls on a COS basis.
• Verified Code Password Lock/Personal Password Lock
If the wrong password is entered incorrectly three times, the line will be disconnected. If
the incorrect password is entered a preprogrammed number of times successively, the
password against the verified code or the extension will be locked. Only an extension
assigned as the manager can unlock it. In this case, the password will be unlocked and
will be cleared.
142 Feature Guide
Carefully maintain the secrecy of the password.
Specify a complicated password as long and random as you can make it.
Change the password frequently.
DISA Silence Detection)
DISA Delayed Answer Time) so that the
DISA Extend Time) and preprogramming number of
DISA Continuous Tone Detection)
DISA Cyclic Tone Detection)