NEC Aspire Manual page 182

Section 3: Features
174
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Method C - Automatic Tandem Trunking on Hang Up
This method allows an extension user to easily set up an Unsupervised Conference without
having to place the conference call on Hold. A Class of Service option is available, depending
on your software version, which will allow or deny an extension user from automatically set-
ting up a Conference/Tandem Trunking call upon hanging up the phone.
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Method D - Automatic Tandem Trunking Setup to Abbreviated Dial Number
This method allows an extension user to easily set up an Unsupervised Conference with a call
they have placed on Hold. A Class of Service option is available, depending on your software
version, which will allow or deny an extension user from automatically setting up a Confer-
ence/Tandem Trunking call upon hanging up the phone.
Trunk Disconnect Continue/Disconnect Codes Added
The software enhances the forced trunk release option with the Tandem Trunking and DISA fea-
tures. With older software, with Program 24-02-07 : System Options for Transfer - Forced
Release for Trunk-to-Trunk Transfer or Program 25-07-08 : System Timers for VRS/DISA -
DISA Long Conversation Disconnect enabled, users were not provided with an option to continue
the call, if required.
With software 4.0E+, users can be provided with the option to use a Continue or Disconnect service
code. The Continue service code will extend the conversation a programmed length of time. If the
user enters the Disconnect service code, the call will be disconnected immediately.
Display Changed for Program 24-02-07
With software 4.0E and higher, the display for Program 24-02-07 : System Options for Transfer
- Forced Release for Trunk-to-Trunk Transfer has been changed.
With prior software, the display indicated "Reles Trk-Trk". Now the display will show "T-T Warn-
ingTN" for this program.
Multiple Trunk Conference Allows 3 or More Trunks
The Tandem Trunking has been enhanced with the Multiple Trunk Conference feature. Previously,
only two outside trunks could be connected for a trunk-to-trunk conference. This enhancement
allows multiple trunks to be connected, the extension user can then drop out of the call, leaving the
outside calls connected in an unsupervised conference.
This enhancement also allows the user which established the unsupervised conference to reenter
the conversation. The user can then let the conversation continue or they can disconnect the trunks.
The number of simultaneous Conference calls is limited by the number of Conference circuits in
the system. Due to this fact, the maximum number of Conference calls cannot exceed the limits
deÞned in the above table.
There are two methods for Multiple Trunk Conferencing:
● Method A - Set Up Without Transfer Key
An extension user can set up Multiple Trunk Conference (Unsupervised Conference) by dial-
ing a two-digit service code (#8).
● Method B - Multiple Trunk Conference with Transfer Key
This method allows an extension user to easily set up an Unsupervised Conference using a
uniquely programmed Transfer key.
Note: This operation is different than when only connecting 2 outside callers - the call
can be on hold and, after calling the second party, the Transfer key can be pressed. With
more than 2 outside calls, the CONF key must be pressed in order to connect the callers.
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