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Direct Station Selector Feature

Description

Normal Call-Handling Operation

Normal call-handling operation is active when the position is not in Message Status or Extension Status operation. The DSS buttons are used for one-touch dialing of local or non-local extension numbers. When a button for a local or non-local telephone extension, local or non-local Calling Group extension, or local Paging Group extension is pressed, the extension number is dialed automatically. In Hybrid/PBX mode, a specific pool can be selected by pressing the DSS button for a local pool dial-out code or dialing the local ARS code by pressing the DSS button for the ARS code. If, before lifting the handset, a DSS button is pressed for any of the extensions or codes mentioned above, the speaker is turned on automatically and an SA or ICOM button is selected.

A DSS button is also used to activate a feature that requires a local extension number--for example, Barge-In, Conference, Send/Remove Message, Forward (including Remote Call Forwarding), Follow Me, Leave Message, Reminder Service, and Transfer. To do this, the Feature button is pressed, the feature code dialed, and the DSS button for the extension number selected.

The result of pressing a DSS button while on a call depends on the type of operator position, the type of button pressed, and whether the system is programmed for one-touch Hold or one-touch Transfer, as described in Table 9 and Table 10, which follow. For a QCC operator position, see LED Meanings for Normal Call-Handling Operation.

Results of Pressing DSS Button while Active on a Call: DLC Position with One-Touch Hold


Extension Type

Result

Individual,
Calling Group,
Paging Group

An outside caller is put on hold, an SA or ICOM button is selected automatically, and the extension number is dialed automatically. Transfer is not completed automatically.

How Hold works depends on the type of call and its appearance on the telephone:

  • When one-touch Hold is programmed system-wide and the operator is active on a Personal Line, pressing an Auto Dial button or DSS button also puts the call on Hold. This prevents accidental disconnection of callers and speeds call handling. If the operator is active on an inside call and the call is on Hold, the DLC operator hears an abbreviated ring as a reminder each time the interval programmed for the operator hold timer (10-255 seconds) expires.
  • If the operator is active on an inside or outside call on an SA button, pressing an Auto Dial button or a DSS button does not place the call on hold. The user at the extension associated with the Auto Dial or DSS button hears the manual signaling beep.
  • If, while on an inside or outside call on an SA button with one-touch Hold enabled, a DLC operator presses a DSS button for a non-local extension, the call is not placed on Hold, and the extension is not dialed. If, however, while on an outside call on a Personal Line button with one-touch Hold enabled, a DLC operator presses a DSS button for a non-local extension, the call is placed on Hold and the non-local extension is dialed.

Pool dial-out code or ARS code

Pool dial-out codes and ARS codes apply to local extensions only. The caller is put on Hold, transfer is initiated, the pool dial-out code or ARS code is automatically dialed, and the operator can then dial the outside telephone number. Transfer completion is always manual--the operator must press another button or hang up to complete the transfer.

Park Zone

Park Zone applies to local extensions only. The Park feature is activated, and the call is put on hold on the selected Park Zone to allow Pickup from any extension in the system.

Line/trunk number, LDN, unassigned extension numbers,
dial 0 calls

Ignored; no effect.




Results of Pressing DSS Button while Active on a Call: DLC Position with One-Touch Transfer


Extension Type

Result

Individual or Calling Group

The caller is put on Hold, Transfer is initiated, an SA or ICOM button is selected automatically, and the extension number is dialed automatically. If manual completion is programmed, an operator must press another button or hang up to complete the transfer. If automatic completion is programmed, the transfer is completed automatically.

Pool dial-out code or ARS code

The caller is put on Hold, Transfer is initiated, the pool dial-out code is automatically dialed, and the operator can then dial the outside telephone number. Transfer completion is always manual; the operator must press another button or hang up to complete Transfer, whether the system is programmed for manual or automatic completion.

Paging Group

The caller is put on hold, an SA or ICOM button is selected automatically, and the Paging Group extension number is dialed automatically. Transfer is not completed automatically, whether the system is programmed for one-touch Hold or one-touch Transfer, because calls cannot be transferred to a Paging Group.

Park Zone

The Park feature is activated, and the call is put on hold in the selected Park Zone to allow Pickup from any extension in the system.

Line/trunk number, LDN, unassigned extension numbers,
dial 0 calls

Ignored; no effect.

 


The red LEDs for each DSS button are used to determine whether a user is on a call (off hook), has no call active (on hook), or is using Do Not Disturb. The LED indication (on) is the same for off hook and Do Not Disturb; however, the DSS button can be inspected to determine whether the user is on a call or has activated Do Not Disturb.

For a Calling Group extension on a DSS button, the red LED indicates the status of the queue. The DSS button flashes if the number of calls waiting in the queue is greater than or equal to Threshold 1 but fewer than Threshold 3. The LED lights steadily if the number of waiting calls is greater than or equal to Threshold 3. If three thresholds are needed, an inside Auto Dial button should be used to monitor queue status.

For a pool dial-out code on a DSS button, the red LED indicates line/trunk availability.

Pressing a DSS button for a non-local dial plan extension will cause the appropriate routing pattern and route to be chosen. The DSS LED associated with the non-local dial plan are not updated for any feature including switchhook operation, therefore the extinguished appearance for a non-local dial plan extension does not indicate the true state of the extension. Do Not Disturb information is not conveyed because the LED is extinguished. Using the Inspect button only provides the extension number for a non-local dial plan extension. If the facilities are busy that are needed to make the call to the non-local dial plan extension associated with the pressed DSS button, the call is queued. The called MERLIN MAGIX System blocks calls to the non-local dial plan Paging Groups, and if an attempt is made to use the console to activate a feature associated with a remote extension, the feature generally will not work.

A called switch may not act on an external call from a DSS button on another MERLIN MAGIX System. For example, a page may not be connected at the called extension.

The following table shows the meanings of the red LEDs for DSS buttons for local extensions while the operator position is in normal operation and message status is not active. LED Meanings for Normal Call-Handling Operation does not apply to non-local extensions.

LED Meanings for Normal Call-Handling Operation


LED Status

Extension Type

Meaning

Off

Individual

The person is not on the telephone and is not using Do Not Disturb.

 

Line/trunk number

The line/trunk is not in use. The LED is always off for a DID trunk or a Switch 56 trunk on a DLC.

 

Pool dial-out code

At least one line/trunk is available for making an outside call.

 

Calling Group

The Calling Group queue is below the programmed threshold (below Threshold 1).

 

Paging Group

The group is available for making a group announcement.

 

Operator Park Zone

A call is not parked on this Park Zone code.

 

ARS, Remote Access, LDN

Not applicable; the red LED is always off.

On

Individual

The person is on the telephone or has activated the Do Not Disturb feature.

 

Line/trunk number

The line/trunk is in use. No indication appears for a busy DID trunk or Switch 56 trunk on a DLC.

 

Pool dial-out code

No lines/trunks are available in this pool for outside calls.

 

Calling Group

The Calling Group queue is at or above the allowable threshold (at or above Threshold 3).

 

Paging Group

An announcement is being made to a Paging Group.

 

Operator Park Zone

A call is parked in this Park Zone.

 

ARS, Remote Access, LDN

Not applicable; the red LED is always off.

Fast flashing

Individual

The person is calling the system operator position.

Slow flashing

Individual

A call transferred by the system operator to the extension is returning.

 

Calling Group

The group queue is at or above Threshold 1 and below Threshold 3.

 

Line/trunk number

A call is ringing on this line/trunk. No indication appears for a busy DID trunk or Switch 56 trunk on a DLC.


Fast flashing is applicable only to DSS buttons for individual extensions. Slow flashing is applicable to DSS buttons for individual extensions, Calling Group extensions, and line/trunk numbers.

Topics
  Description
 
  Normal Call-Handling Operation
Calling Group Supervisory Operation
Extension Status Operation (Hotel Configuration)
Message Status Operation
  At a Glance
  Considerations & Constraints
  System Programming
  Mode Differences
Feature Interactions