4.7 COS ProgrammingExtension-to-Outside Line Call Duration Limit5024-112 System ProgrammingDescription This program allows you to restrict the duration of outside calls ona Class of Service (COS) basis.Selection • COS number: 1 through 8, ( =all COS)• Disable (no limit) / Enable (limit)Default All COS – DisableProgramming 1. Enter 502.Display: 502 EXT-CO TIMER2. Press NEXT.Display: COS NO?→3. Enter a COS number.To enter COS number 1, you can also press NEXT.Display example: COS1:Disable4. Keep pressing SELECT until the desired selection isdisplayed.5. Press STORE.6. To program another COS, press NEXT or PREV, orSELECT and the desired COS number.7. Repeat steps 4 through 6.8. Press END.Conditions • An outside call originated or answered by the programmed extensionuser is disconnected when the time specified in program [205]“Extension-to-Outside Line Call Duration Time” expires.• Extensions in limited classes cannot establish an outside-to-outside call,that is, cannot transfer / forward an outside call to another CO line orperform an Unattended Conference.• To assign all COS to one selection, press the key in step 3. In thiscase, the display shows the contents programmed for COS 1.• Program [601] “Class of Service” is used to assign a Class of Service toeach extension.• Program [990] “System Additional Information, Field (12)” is used toprogram Limited Call Duration to be done for outgoing calls only.Feature References Section 3, FeaturesCall Forwarding – to Outside Line Conference, UnattendedCall Transfer, Screened – to Outside Line Limited Call Duration
