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ATT DEFINITY Communications System Generic 3 Instructions Manual

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    							Coverage Callback
    Issue  3   March 1996
    3-567
    Coverage Callback
    Feature Availability
    Coverage Callback is available with all Generic 3 releases.
    Description
    Allows a covering user to leave a message for the principal (called party) to call 
    the calling party.
    Coverage Callback is activated by pressing the Cover Callback button after 
    answering a coverage call.
    Details of how Coverage Callback is used in conjunction with Call Coverage are 
    given in the Call Coverage feature description elsewhere in this section.
    Considerations
    Coverage Callback is useful whenever it is necessary to let the principal know 
    that a call has been received from a certain party.
    Interactions
    Coverage Callback is only used in conjunction with the Call Coverage feature.
    Administration
    Coverage Callback is administered on a per-voice terminal b asis by the System 
    Manager. The only administration required is to assign a Cover Callback button.
    Hardware and Software Requirements
    No a d ditional hardware or software is required. 
    						
    							Feature Descriptions
    3-568Issue  3   March 1996 
    Coverage Incoming Call Identification 
    (ICI)
    Feature Availability
    Coverage Incoming Call Identification is available with all Generic 3 releases.
    Description
    Allows multiappearance voice terminal users without a display in a Coverage 
    Answer Group to i dentify an incoming call to that group.
    When an incoming call is directed to a Coverage Answer Group, the status lamp 
    associated with the Coverage Answer Group button lights at group member’s 
    voice terminal.
    Details of how Coverage ICI is used in conjunction with Call Coverage are given 
    in the Call Coverage feature d escription, elsewhere in this section.
    Considerations
    With Coverage ICI, memb ers of Coverage Answer Groups do not have to have a 
    display in ord er to i dentify incoming calls to the group.
    A second coverage call takes control of the Coverage ICI lamp and does not 
    return control to the previous call when the second call is released.
    Interactions
    Coverage ICI is used only in conjunction with the Call Coverage feature.
    Administration
    Coverage ICI is administered on a per-voice terminal basis by the System 
    Manager. The  only  administration required is to assign a Coverage Answer 
    Group button.
    Hardware and Software Requirements
    No a d ditional hardware or software is required. 
    						
    							Customer-Provid e d Equip ment  (CPE) Alarm
    Issue  3   March 1996
    3-569
    Customer-Provided Equipment (CPE) 
    Alarm
    Feature Availability
    Customer-Provid e d Equip ment  (CPE)  Alarm  is  available with all Generic 3 
    releases.
    Description
    Provides the customer with an indication that a system alarm has occurred and 
    that the system has attempted to contact a preassigned service organization 
    about the problem. A customer-provided device, such as a lamp or a bell, is 
    used to indicate the alarm situation.
    The system can be ad ministered so that the CPE Alarm will be activated during 
    certain alarm levels. Only one of these levels may be administered. The  CPE 
    Alarm will be activated when an alarm occurs which corresp onds to, or is more 
    severe than, the a dministered alarm a ctivation level. The levels for which the CPE 
    Alarm can be activate d are listed below in descending order, b e ginning with the 
    most severe.
    nMajor Alarm — This alarm is the most severe system alarm. A major alarm 
    indicates that a vital system hardware component, which will seriously 
    affect overall service, has failed.
    nMinor Alarm — This alarm  indicates that a hardware component, which 
    may affect service on a limited scale, has failed.
    nWarning Alarm — This alarm  indicates that a problem may exist with a 
    hardware component, b ut the problem does not affect service.
    The system can also be ad ministered so that the CPE Alarm is not activated 
    under any of the previously listed alarm levels.
    The CPE Alarm is also activate d during a Power Failure Transfer (see the Power 
    Failure Transfer feature elsewhere in this manual) regardless of the administered 
    alarm activation level. Even if the system is a dministered so that the CPE Alarm is 
    not activated at any alarm level, it will be activated during a Power Failure 
    Transfer.
    The CPE Alarm is deactivated when the problem that caused the alarm is 
    resolved. If there are multiple problems, the CPE Alarm will not b e deactivated 
    until all problems, at or above the administered alarm activation level, are 
    resolved.
    For more information, see 
    DEFI NI TY Com munications System Generic 1 and 
    Generic 3 Installation and Test
    , 555-230-104. 
    						
    							Feature Descriptions
    3-570Issue  3   March 1996 
    Considerations
    The CPE Alarm feature lets customers use their own equipment to indicate an 
    alarm condition. This indication lets the customer know when there is a problem 
    with the system and when the problem has been resolved.
    Interactions
    The following features interact with the CPE Alarm feature.
    nPower Failure Transfer
    The CPE Alarm is always activated d uring a Power Failure Transfer 
    regardless of the a dministered alarm activation level.
    Administration
    The CPE Alarm feature is administered on a per-system basis by the System 
    Manager.
    Hardware and Software Requirements
    The only hardware required is the actual CPE Alarm d evice (lamp, bell,  and so 
    on). This d evice must be customer-provided and customer-installed.
    No a d ditional software is required. 
    						
    							Customer-Provid e d Equip ment  (CPE) Alarm
    Issue  3   March 1996
    3-571 
    						
    							Feature Descriptions
    3-572Issue  3   March 1996 
    Data Call Setup
    Feature Availability
    Data Call Setup is available with all Generic 3 releases.
    Description
    Provides multi ple methods to set up a data call:
    nKeyb oard dialing
    nVoice terminal dialing
    nHayes AT command dialing
    nPermanent switched connections
    nAdministered connections
    nAutomatic calling unit interface (MPD and HSC)
    nHotline d ialing
    Typically, when a data terminal is available, keyboard dialing is more convenient 
    and requires less steps; therefore, it should be used whenever possible.
    In a dd ition to d ata terminal d ialing and voice terminal dialing, the system accepts 
    calls from other devices, such as a MPDM equipped with an ACU interface 
    module. An analog modem interfaced with an ACU can also be used to provide 
    dialing capability for a host  computer.
    The Ad ministered Connections feature, described elsewhere in this chapter, 
    may also b e used to establish a data call.
    This section describes the data call setup features for b oth DCP sets and ISDN 
    BRI sets.
    Data Call Setup for DCP Modules
    Voice Terminal Dialing for DCP Data Modules
    Allows voice terminal users to originate and control data calls from the voice 
    terminal. DCP voice terminal dialing must be used when the Data Terminal is not 
    accessible for d ialing.
    The Transfer feature functions the same for d ata calls as it does for voice calls. 
    The feature p ermits a user to set up a call using any unrestricted voice terminal 
    and then transferring the call to a data endpoint. However, the primary way to 
    establish d ata calls is with the multiappearance voice terminal Data Extension 
    button(s). Any administrable feature b utton can be assigned as a Data Extension  
    						
    							Data Call Setu p
    Issue  3   March 1996
    3-573
    button in system administration. The Data Extension button provides one-touch 
    access to a data module.
    The voice terminal Data Extension  buttons control the One-Button Transfer to 
    Data, Return-to-Voice, and Data Call Preindication o perations for the associated 
    data module. These operations are discussed below. Multiple Data Extension 
    buttons can be assigned to a multiappearance voice terminal, and that voice 
    terminal can set up d ata calls for other data terminals. Also, a single d ata module 
    can be accessed by a Data Extension button on a voice terminal. Only one Data 
    Extension button can be administered for a single data module.
    Voice terminal dialing has the advantage that the user may hear the different 
    types of network tones.
    For off-premises dialing, particularly for toll calls, the user may opt for voice 
    terminal dialing, instead of keyboard dialing.
    The following options, either alone or combined, permit flexible procedures for 
    establishing data calls:
    nOne-Button Transfer to Data
    Allows a user to transfer the call to the associated data module simply b y 
    pressing the Data Extension button after the called data endpoint 
    answers. This method is recommended for voice terminal data call setup.
    nReturn-to-Voic e
    Allows a user to return the data connection to the voice terminal. The user 
    simply presses the Data Extension button associated with the busy data 
    module. If the user hangs up following the return, the call is disconnected. 
    If Return-to-Voice is affected by two voice terminal users, each through 
    use of the Data Extension b utton associated with the two data endpoints of 
    the call, then a voice call is established. Return of a data call to the voice 
    terminal implies that the same (data) call will be continued in the voice 
    mode, or transferred to another data endpoint.
    nData Call Preindication
    Allows the user, before dialing the distant data endpoint, to reserve the 
    associated data module by pressing the Data Extension button. This 
    ensures that a conversion resource, if needed, and the data module are 
    reserved for the call. Use of Data Call Preindication before one button 
    transfer to data is recommended when establishing data calls that use toll 
    network facilities. Needed conversion resources are reserved before any 
    toll charges are incurred.
    Data Terminal (Keyboard) Dialing for DCP Data Modules
    Allows a user to set up and disconnect data calls directly from a data terminal. A 
    voice terminal is not needed. The voice terminal functions of switchhook and the 
    audible call progress tones are replaced with keyboard dialing and text known 
    as call progress messages. The message DIAL: prompts the user to enter the  
    						
    							Feature Descriptions
    3-574Issue  3   March 1996 
    called data number manually from the keyboard, and RINGING informs the user 
    the called data numb er is being rung. If the data call is placed in queue, the 
    message WAIT, xx IN QUEUE is received (xx represents queue position). This 
    queue number is updated by the system as the call moves up in the q ueue. The 
    next table lists the call progress messages.
    To originate and disconnect a call using Data Terminal Dialing, the user presses 
    BREAK on the terminal. [This is e quivalent to a voice terminal user lifting the 
    handset (call origination) or hanging up (call disconnect).] If the terminal b eing 
    used does not generate a 2-second continuous break signal, the user can press 
    Originated/Disconnect on the data module. Then, the data terminal allows the 
    user to enter digits from the data terminal keyboard, after the message DIAL: 
    (which is the e quivalent of dial tone on a voice terminal).
    In a ddition to the numeral, #, and * characters found on a touch-tone pad, the 
    dialing information may contain the following special characters:
    nSPACE, —, (, and) may b e used to improve legibility. These characters are 
    ignored by the system during dialing.
    n+ character (wait) may be used to interrupt or suspend dialing until dial 
    tone is received from the distant switch.
    n, (pause) character may b e used to place a 1.5-second pause in dialing 
    (multiple, can be used).  
    n% (mark) character may be used to indicate the following digits are for 
    end-to-end signaling (touch-tone). This is required when the trunk is 
    rotary. It is not required when the trunk is touch-tone.
    nUNDERLINE or BACKSPACE may b e used to correct  previously typed 
    characters on the same line.
    n@ may be used to delete the entire line and start over with a new DIAL: 
    prompt.
    Each line of dialing information may contain up to 42 characters (the +  and % 
    characters count as two each).
    Examp les of dialing are as follows:
    nDIAL: 3478
    nDIAL: 9+(201) 555-1212
    nDIAL: 8, 555-2368
    nDIAL: 9+555-2368+%9999+123 (remote access)
    Single-Line Dialing
    All of the d ialing information, including pauses and ignored characters, are typed 
    on a single line. The line with the DIAL: prompt must be complete; that is, the 
    dialing information must specify a complete call before the c arriage return or line 
    feed. 
    						
    							Data Call Setu p
    Issue  3   March 1996
    3-575
    Single-line dialing is recommended if all  dialing information can be entered on 
    one line.
    Multiple-Line Dialing
    Automatically invoked when a single line of dialing information is incomplete. 
    Multiple-line dialing is only used with off-premises calling.
    In multiple-line dialing, the DIAL: prompt follows on the next line when all of the 
    dialing information of the previous line has been sent and dial tone has occurred; 
    a d ditional dialing information is requested.
    This is a typical off-p remises dialing sequence:
    nDIAL: 9
    nDIAL: (201) 555-2368
    nRINGING
    nA NSW ER ED
    Alphanumeric Dialing
    Alphanumeric Dialing enhances Data Terminal Dialing by allowing a data 
    terminal user to place a data call by entering an alphanumeric name. This 
    capability makes Data Terminal Dialing both convenient and user-friendly. 
    Instead of dialing a long string of numbers, the user can enter a simple 
    alphanumeric name. For more detailed information, see the Alphanumeric 
    Dialin g feature description, elsewhere in this chapter.
    Call Forwarding All Calls
    Call Forwarding All Calls allows incoming data calls to be redirected to another 
    extension that is designated by the user. Activation/deactivation of the feature is 
    done either by the attendant or by the forward ing party itself through the dialing 
    of a feature access code.
    Default Dialing
    Default Dialing enhances Data Terminal (Keyboard) Dialing by allowing a data 
    terminal user to place a data call to a preadministered destination by simply 
    entering a carriage return at the DIAL: prompt. The d ata terminal user can still 
    place calls to other destinations by entering the complete address after the 
    DIAL: prompt (normal Data Terminal Dialing or Alphanumeric Dialing). For more 
    detailed information, see the Default Dialing feature d escription elsewhere in 
    this chapter.
    Administered Connections
    An Administered Connection is an end-to-end connection between two access 
    endpoints or d ata endpoints that is automatically established by the system 
    whenever the system is restarted or the Administered Connection is a dministered  
    						
    							Feature Descriptions
    3-576Issue  3   March 1996 
    and due to be active. The attributes of these connections are user-defined. To 
    administer Administered Connections, use the “ Administered Connection” form 
    via the SAT.
    Once the ADM has been a dministered as one endpoint of an administered 
    connection, the system waits for the scheduled time to set u p the connection. At 
    the scheduled time, the system establishes the connection and maintains it for 
    the length of time specified. Once the call is accepted, the set will enter into the 
    continuous mo de for the length of time specified. If the switch is reboote d during 
    the continuous connection, the connection will reinitiate the call setup. At any 
    time that the connection drops (for example, disconnected cabling), the switch 
    will reinitiate the call setup.
    Hotline Dialing
    Hotline Dialing is discussed in detail in the Data Hot Line feature description 
    elsewhere in this manual. Table 3-50 shows call progress messages for DCP.
    Table 3-50. Call Progress Messages for Keyboard Dialing for 
    DCP
    Displayed Message Application Meaning
    DIAL: Placing a call Equivalent to dial tone. Enter the desired 
    number or feature access code followed by 
    a carriage return or a line feed.
    RINGING Placing a call Equivalent to ringing tone. Called terminal 
    (far-end) is ringing.
    BUSY Placing a call Equivalent to b usy tone. Called numb er is in 
    use or out of service.
    ANSWERED Placing or 
    receiving a callNotifies calling and called users that call 
    has been answered.
    ANSWERED - NOT 
    DA TA Placing a call Notifies calling and called users that call 
    has been answered and a modem answer 
    tone has not been detected.
    TRY AGAIN Placing a call Equivalent to reorder tone. System facilities 
    are currently not available.
    DENIED Placing a call Equivalent to intercept tone. Call cannot be 
    placed as dialed.
    ABANDONED Receiving a call Notifies called user that the calling user 
    abandoned the call.
    NO TONE Placing a call Notifies user that tone was not detected.
    Continued on next page 
    						
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