Delayed Ringing 73Delayed Ringing (NBX Business Telephones only) The Delayed Ringing feature preventsa telephone on a shared line from ringing on a specific telephone untilthe incoming call rings on another telephone a specified number of timesfirst.Example: A telephone extension is programmed to appear on a manager’stelephone and on the assistant’s telephone. When a call comes in tothe manager on that extension, the assistant’s telephone rings aspecified number of times (typically 4 rings) before the call audiblyrings on the manager’s telephone. Although incoming calls initially donot ring audibly on the manager’s telephone, the line’s status lightflashes, allowing the manager to answer the calls if required.Pulse Dialing In some locations, users must dial telephone calls using pulse dialinginstead of tone dialing (also called Dual Tone Multi Frequency, or DTMF,dialing).Examples: You must dial certain calls using a telephone company that supportsonly pulse dialing. Your organization’s telephone service provider offers low-cost service,but that provider only has pulse dialing service.There are three methods you can use to switch to DTMF if you are inpulse dial mode.Using a Feature CodeTo change from pulse dialing to DTMF during a call:1 Press Feature button and 891.2 Your connection is switched from pulse to tone (DTMF) for the remainderof the call. When you hang up, your phone port reverts to pulse dialingmode.Using a Mapped ButtonYour administrator can map your telephone so that you can press a singleAccess button to change from pulse dialing to DTMF during a call. Askyour administrator for details.