1.1 Incoming Call FeaturesFeature Guide 171.1.3 Incoming Call Indication Features1.1.3.1 Incoming Call Indication Features—OVERVIEWDescriptionExtension telephones can indicate an incoming call in various ways, described below.Indication Type Feature Description Details inRing/No Ring Outside (CO) LineRinging SelectionEach extension can be programmed toring or not ring when receiving an outside(CO) line call.• 1.1.3.2 Outside(CO) Line RingingSelectionRing Tone Ring Tone PatternSelectionA telephone rings when receiving a call.A different ring tone pattern can beassigned to each incoming call type.• 1.1.3.3 RingTone PatternSelectionVoice-calling AlternateReceiving—Ring/VoiceProprietary telephone (PT) users canchoose how their telephones receiveintercom calls, by selecting to hear ringtones or the caller's voice.• 1.5.1.1 IntercomCallLED (Light EmittingDiode)LED Indication The LED indicators on a PT can indicatethe status of different lines using lightpatterns and colours.• 1.18.3 LEDIndicationDisplay (CallerInformation)Display Information A user's PT can show a variety ofinformation on the display, such as theoutside (CO) line number, the caller'sname and number, the extension numberand name of the calling extension afterthe call is forwarded, etc.• 1.18.4 DisplayInformationTone During aConversationCall Waiting When an extension user is in the middleof a call, the user can be alerted to a newcall by a call waiting tone.• 1.1.3.5 CallWaiting
