Class of Service Override 87Call Permissions Your administrator establishes Call Permissions to control the types ofcalls that can be dialed from your telephone. The administrator canconfigure these permissions to change depending on the time of day. Forexample, your administrator can prevent long-distance calls from beingdialed from your telephone outside of business hours.To view your current call permissions, from the NBX NetSet utility, go toMy Calling Privileges > Call Permissions.Class of ServiceOverrideThe Class of Service Override feature allows you to apply the featuresof your own 3Com Telephone temporarily to another 3Com Telephoneon the same local network.Example:■ The telephone in your organization’s conference room is configured sothat long-distance telephone calls cannot be dialed from it. You may,however, need to place a long-distance call during a meeting. Usingthe Class of Service Override feature, you can apply the features ofyour own telephone to the conference room telephone for one callonly and dial the call, assuming that your Call Permissions allow youto make long-distance calls from your own telephone.If your system uses a messaging application other than NBX Messaging,use the documentation for your messaging application instead of theseinstructions.To activate the one-call-only Class of Service Override from a 3ComTelephone:1 Pick up the handset.2 Press Feature + 433.3 Dial your telephone extension and press #.4 Dial your voice mailbox password and press #.5 When you hear the dial tone, you can dial the call in the same way thatyou do from your own 3Com Telephone.When you use Class of Service (CoS) Override, any reports that aregenerated on the NBX system indicate that the CoS features of your own3Com Telephone were applied temporarily to the telephone on whichyou made the call.
