5-98 DBS 576 (USA) issued October 2000 576-36-700Chapter 5. Key Telephone Features Section 700 - OperationOperationTo set Trunk Queuing:To respond to the Trunk Callback alert tone:Hardware Requirements• N/ARelated Programming• FF1-2: Dial Plan• FF1-0-03: Extension COS (Trunk Queuing)• FF3: Extension COSConsiderations• Response to the Trunk Callback must be within 15 seconds or Trunk Queuing will be canceled.• The Trunk Queuing feature may also be used if you hear a busy tone when trying to make a callusing the MCO Trunk Access feature.Universal Night Answer to PageDescriptionDuring night mode, Universal Night Answer (UNA) sends incoming calls for selected trunks to ringexternal paging speakers. UNA calls can be picked up from any extension, provided the extension’sClass of Service allows UNA answer. Beginning with Version 3.5 and higher, this feature can beprogrammed so that incoming calls ring on both external paging speakers and at extensions with CO/MCO appearances on FF keys (Key Telephones only).Action Result1. Lift the handset or press the ON/OFF key. Intercom dial tone2. Press the CO line key or enter a trunk access code. Busy tone3. Enter the Callback Request code (default = 3.)4. Press the ON/OFF key. Wait CBK-TRK displays5. Wait for the Trunk Callback alert tone.Action Result1. Lift the handset or press the ON/OFF key. • Outside dial tone• CO XXX displays (where XXX = linenumber
