1.3 CFeature Manual 411.3.9 Call Waiting ToneDescriptionWhen an extension user attempts to call a busy extension (i.e., an extension that is ringing or having aconversation), a call waiting tone can be sent to the called extension to indicate another call is waiting. Thetone can be heard from either the handset or the built-in speaker. The busy extension user can answer thesecond call by disconnecting the current call or placing it on hold.Call Waiting can be enabled or disabled for intercom calls and CO line calls separately. Note that doorphonecalls and CO line calls transferred from another extension or received via an incoming call distribution groupare treated as CO line calls.Call Waiting is also known as Busy Station Signaling (BSS).Conditions• This feature functions only if the called extension has activated call waiting. If it is activated, the callingextension will hear a ringback tone.• One of two call waiting tones can be selected (Tone 1 or Tone 2) through personal programming (CallWaiting Tone Type Selection).• A PT user can hear different Call Waiting tones for CO line calls and intercom calls if "Tone 2" hasbeen selected through personal programming (Call Waiting Tone Type Selection). If "Tone 1" has beenselected, the same Call Waiting tone will be heard for both CO line calls and intercom calls.All Call Waiting tone patterns have a default (→ 2.2 Tones/Ring Tones).• Call Waiting call for an extension in a VM group (DPT/DTMF) is not available.• Automatic Call WaitingThrough system programming, it is possible to select whether a call waiting tone is automatically sentto the extension when receiving CO line calls, doorphone calls, external sensor calls and hold-recallcalls. Through system programming, it is also possible to select whether extensions will receiveAutomatic Call Waiting from intercom calls.• Data Line SecuritySetting Data Line Security cancels the Call Waiting setting. (→ 1.4.1 Data Line Security)• Caller InformationWith the Call Waiting tone, the caller's information flashes on the display for five seconds, followed bya 10-second pause, then flashes again for five seconds.• Call Waiting from the Telephone CompanyBesides the Call Waiting service within the PBX, the Call Waiting tone offered from the telephonecompany informs the extension user of another incoming CO line call that is waiting. He can answer thesecond call by disconnecting the current call or placing it on hold using EFA. For details, consult yourtelephone company.• Call Waiting Caller ID (Visual Caller ID)When using the call waiting tone supplied by the telephone company, the waiting caller's telephonenumber and name can be received. Either the name or the number will flash on the display for fiveseconds, followed by a 10-second pause, then flash again for five seconds.Note that the received caller information will not be displayed on telephones or wireless phonesconnected to SLT ports.• Call waiting tone is available when the called extension is having a conversation with another party. Ifthe extension is not having a conversation but is unavailable to receive the notification (dialing anumber, for example), the calling extension will be kept waiting until the called extension becomesavailable. Even while waiting, the calling extension will hear a ringback tone.• If call waiting tone is not set at the called party, the caller will hear a reorder tone after trying to send acall waiting notification.