1.18 Proprietary Telephone (PT) FeaturesFeature Guide 137Conditions• Extension button confirmationA display PT user can confirm the button settings, such as the flexible CO button, by pressing thecorresponding button while on-hook.• The Day, Night, Lunch, and Extension Lock buttons can only be assigned to flexible DSS buttons at anextension assigned as the operator or manager.User Manual References3.1.3 Customising the ButtonsCaller ID Selection—PersonalUsed to display and cycle through the information of an incoming call during aconversation, while receiving a call, or while viewing caller information, displaythe number of logged calls while on-hook, and inform an extension user that thepersonal area call log is full ( 1.16.2 Incoming Call Log).Caller ID Indication—CommonUsed to inform an extension user of calls logged in the common area, store theinformation of an incoming call during a conversation, and view callerinformation while on-hook and then call back a caller ( 1.16.2 Incoming CallLog).Caller ID Selection—CommonUsed to display and cycle through the information of an incoming call during aconversation, while receiving a call, or while viewing caller information, displaythe number of logged calls while on-hook, and inform an extension user that thecommon area call log is full ( 1.16.2 Incoming Call Log).Log-in/Log-out Used to switch between Log-in and Log-out status ( 1.2.4 Log-in/Log-out).Day Used to change the time service mode to day mode ( 2.2.3 Time Service).Night Used to change the time service mode to night mode ( 2.2.3 Time Service).Lunch Used to change the time service mode to lunch mode ( 2.2.3 Time Service).Extension Lock Used to remotely lock or unlock another extension ( 2.2.4 Operator/ManagerFeatures).2-way Record Used to record a conversation into the user's own mailbox ( 1.19.1 Voice MailAPT Integration).2-way Transfer Used to record a conversation into the mailbox of a specified extension (1.19.1 Voice Mail APT Integration).Live Call Screening(LCS)Used to listen while a caller is leaving a message in the user's voice mailbox and,if desired, intercept the call ( 1.19.1 Voice Mail APT Integration).LCS Cancel Used to stop monitoring the user's own voice mailbox while a caller is leaving amessage, or stop the alert tone heard in private mode while a caller is leaving amessage ( 1.19.1 Voice Mail APT Integration).Voice Mail (VM)TransferUsed to transfer a call to the mailbox of a specified extension ( 1.19.1 VoiceMail APT Integration).Button Function