When using analog trunks, various methods are used for trunk supervision, ie. to detect when the far end of the trunk has disconnected and so disconnect the local end of the call. Depending on the locale, the system uses Disconnect Clear signalling and or Busy Tone Detection. This setting should only be enabled if it is know that the analog trunks do not provide disconnect clear signalling or reliable busy tone. When enabled:

•Disconnect clear signalling detection is turned off. Busy tone detection remains on.

•Unsupervised transfers and trunk-to-trunk transfers of analog trunk calls are not allowed.

•A wider range of busy tones which may signal the caller has disconnected are used to disconnect calls connected to voicemail.

•This procedure is not listed when using the Next Procedure or Previous Procedure buttons to select a procedure.

 

1408/1416/9504/9508 Phone

1.At either of the first two extensions on the system, press Admin.

•To do the above during a call, you may need to press the key phone PHONE button to display the Admin soft key option. If you access phone administration during a call, only the key speaker SPEAKER, key mute MUTE and key headset HEADSET buttons still affect the connected call.

2.Use the up arrow up or down down arrow arrow buttons to scroll the display to System Administration. When highlighted, press Select.

3.Use the up arrow up or down down arrow arrow buttons to scroll the display to System Parameters. When highlighted, press Select.

•Alternatively, dial # and the system administration code.

3.Use the up arrow up or down down arrow arrow buttons to scroll the display to Unsup Disconnect. When highlighted, press Select.

4.Enter 1 or 2. The default is 2 (not active), ie. use supervised disconnection.

•1 = Active/Assigned.

•2 = Not Active/Not Assigned (the default setting).

•Alternatively use the left arrow left or right right arrow arrow icons to toggle through the settings or Default to return to the default setting.

•1 = Active/Assigned.

•2 = Not Active/Not Assigned (the default setting).

5. The change requires the system to be rebooted. At the Immed Reboot? prompt, press OK to reboot or Cancel to cancel.

 

M7324/M7324N/M7310/M7310N/T7316/T7316E Phone

1.At either of the first two extensions on the system, press feature small Feature **config (ie. Feature **266344).

•If the system has a system password set, it is requested. Enter the password.

2.The phone displays System Admin.

3.Dial #129. Unsup Discnct: and the current setting are displayed:

4.Enter the required value. The default is 2 (not active), ie. use supervised disconnection.

•1 = Active/Assigned.

•2 = Not Active/Not Assigned (the default setting).

•Alternatively use the Next Data or Previous Data buttons to change the setting or press Remove to return to the default setting.

5.The change requires the system to be rebooted. At the Immed Reboot? prompt, press Enter to reboot or Remove to cancel.

 

 

ETR 18D/ETR 34D Phone

1.At either or the first two extensions on the system, press Feature 0 0 followed by two presses of the first intercom or call appearance button.

2.System Administration: is shown on the display.

3.Dial #129. Unsup Disconnect: and the current setting are displayed:

4.Enter the required value. The default is 2 (not active), ie. use supervised disconnection.

•1 = Active/Assigned.

•2 = Not Active/Not Assigned (the default setting).

•Alternatively use the Next Data or Previous Data buttons to change the setting or press Remove to return to the default setting.

5. The change requires the system to be rebooted. At the Immed Reboot? prompt, press Enter to reboot or Remove to cancel.