FeatureType Enumeration

Member name	Value	Description
Unknown	0	The uninitialized (or unknown) feature type.
SendAllCalls	1	The Send All Calls feature allows the user to route all calls to the destination extension configured by the system administrator.
ForwardAllCalls	2	The Forward All Calls feature allows the user to redirect all calls to the another extension.
ForwardBusyNoAnswerCalls	3	The Forward All Calls feature allows the user to redirect all calls to the another extension if the user is busy or user does not answer.
Exclusion	4	The Exclusion feature allows the multi appearance users to prevent the other multi appearance users having the same extension from bridging on to an existing call.
LimitCalls	60	Limit Number of Concurrent Calls feature: Users can use this to limit the number of concurrent calls at a station to one call, where normally multiple call appearances can terminate at the station.
EC500	5	The EC500 feature allows the user to redirect the call to Cellular extension.
ExtendCall	7	Extend call features allows users to take an extension to Cellular call on their office phone, and then move it to their cell phone.
CallPark	8	The Call Park feature lets user place a call on hold at user's telephone for retrieval at any extension
CallUnpark	9	The Call Unpark feature lets user retreive a parked call at any extension.
AutoCallback	10	The Automatic Callback feature sends user's phone a priority ring, indicating the previously busy or unanswered extension user dialed is now available.
WhisperPage	11	The Whisper Page feature allows a user to make an announcement to a person at another extension who is currently on a call; only the person being paged hears the announcement.
GroupCallPickup	13	The Call Pickup feature lets user answer a call at user's telephone for another extension in user's call pickup group.
ExtendedGroupCallPickup	14	With Extended Call Pickup capability, users in one pickup group can answer the telephones for users in another pickup group.
CallingPartyNumberBlock	15	Calling Party Number Block feature allows user to block the sending of the Calling Party Number for a specific call. the calling party number is not sent to the public network.
CallingPartyNumberUnblock	16	Calling Party Number Unblock feature allows user to unblock the sending of the Calling Party Number.
OneTouchRecording	17	One-Touch Recording is an AST - I feature that uses a 'Feature-Named-URI' (FNU) that allows a user to start and end the recording of an in-progress conversation. The One Touch Recording feature works on bridged appearances, not just primary appearances.
DirectedCallPickup	22	Directed Call Pickup allows the user to answer a call ringing at another extension without having to be a member of a pickup group.
PriorityCall	23	The Priority Call allows the user to place priority calls or change an existing call to a priority call.
EnhancedCallForwarding	24	The Enhanced Call Forwarding allows the user to configure call forwarding for internal or external calls with separate settings for busy, no reply, and unconditional forwarding.
BusyIndicator	25	The Busy Indicator feature allows the user to observe another extension for its availability.
Autodial	26	The Autodial feature allows the user or administrator to configure a button as a speed-dial. User can edit the autodial Label and/or autodial number. The destinationLabel is always editable but destinationExtension is editable only if the IsDestinationExtensionEditable flag is true.
HuntGroupBusyPosition	28	Hunt Group Busy Position is a feature button which allows user to opt-in/opt-out from Hunt Group calls. If the extension has been configured as a member of a hunt group, user will be eligible to receive calls made to that hunt group. The feature needs to be enabled to stop receiving calls on that hunt group. When feature is enabled, user will not receive any calls on that Hunt Group. When feature is disabled, user will start recieving the calls on that hunt group again. User can also set the personalized label for the button.
TeamButton	29	The Team Button feature allows the user to view the state of another station and allow the user to answer any calls which are actively ringing on that station. The button can also be used as a speed dial to call the monitored station when it is idle.
CrisisAlert	31	The Crisis Alert feature allows the admin to configure crisis alert button for the watcher(Attendant) user. When a user makes a call to emergency services, the watcher is alerted. The watcher should acknowledge the alert.
MaliciousCallTrace	47	Malicious Call Trace (MCT) feature lets a user to notify SM about a malicious call when a user invokes the Malicious Call Trace feature on an incoming call.
NoHoldConference	49	The No Hold Conference feature allows a user to set up a conference call without interrupting the current conversation.The called party is automatically added to the conference as soon as they answer.
ServiceObserving	46	The Service Observing (SO) features allow a supervisor or other authorized user to use their telephone to activate an observing session towards a station, an agent LoginID or VDN to listen in and possibly talk on calls received by the station/agent or VDN for the purposes of quality control and training.
ForwardBusyCall	51	This feature enables forwarding when the user's extension is busy. It uses the Forward Number destination or, if set, the Forward on Busy Number destination. If the user has call appearance buttons programmed, the system will not treat them as busy until all the call appearance buttons are in use. Note that this feature differs from the feature FORWARD_BUSY_NO_ANSWER_CALLS since the latter one serves invocation of both busy and not answered cases (for platforms where the two cases can not be supported separately).
ForwardNoAnswerCalls	52	This feature enables forwarding when the user's extension is not answered within the period defined by their No Answer Time. It uses the Forward Number destination or, if set, the Forward on Busy Number destination. Note that this feature differs from the feature FORWARD_BUSY_NO_ANSWER_CALLS since the latter one serves invocation of both busy and not answered cases (for platforms where the two cases can not be supported separately).
ForwardNumber	53	This feature sets the number to which the user's calls are redirected. This can be an internal or external number. This feature does not activate forwarding; it only sets the number for the forwarding destination. This number is used for all forward types; Forward Unconditional, Forward on Busy and Forward on No Answer, unless the user has a separate Forward on Busy Number set for forward on busy and forward on no answer functions.
ForwardBusyNumber	54	This feature sets the number to which the user's calls are forwarded when Forward on Busy or Forward on No Answer are on. If no Forward on Busy Number is set, those functions use the Forward Number. This feature does not activate the forwarding, it only sets the number for the forwarding destination.
AutoConference	55	This feature can be used to place the user, his current call and any calls he has on hold into a conference. If the call on hold is an existing conference, the user and any current call are added to that conference.
CancelAllForwarding	56	This feature cancels all forms of forwarding on the user's extension including "Follow Me" and "Do Not Disturb".
ForwardToVoicemail	50	This feature allows the user to define voicemail box usage. When feature is enabled: the user's voicemail mailbox is used to answer calls which ring unanswered or arrive when the user is busy. When feature is disbaled: the user's voicemail mailbox box is not being used to answer calls. This does not disable the voicemail mailbox being used as the target for other functions such as call recording or messages forwarded from other mailboxes.
StationLogout	57	This feature logs the user off the phone or soft client he is currently logged in. Results in regular logout process for the environments/platforms which do not let the user to logout without this feature assigned.
DirectDial	58	This feature allows to call an extension and have the call automatically answered on speaker phone after 3 beeps. The extension called must support a handsfree speaker. If the extension does not have a handsfree microphone then the user must use the handset if they want to talk. If the extension is not free when called, the call is presented as a normal call on a call appearance button if available.
AutoMessageWait	59	This feature shows Message Wait Indication for any extension other than owner's extension. This feature is configured to monitor Message Waiting Indication (MWI) status for any given extension via MWI Notify. User can only see the status of MWI and cannot take any action on this feature.
MoveCall	61	This feature allows a call to be moved to Simultaneous/Twinned clients.
RetrieveCall	62	This feature allows a call to be retrieved from Simultaneous/Twinned clients.
InternalTwinning	63	When this feature is active, incoming calls will ring on the user's own extension and another extension within the same IP Office. This feature can only be configured by the IP Office administrator. User will not be able to activate / deactivate this feature.

Reference

Avaya.ClientServices Namespace