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ATT DEFINITY Communications System Generic 3 Instructions Manual

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    							Data Call Setu p
    Issue  3   March 1996
    3-587
    nModem Pooling:  DEFINITY  syst em Generic 3 requires either a TN758 
    Modem Pool circuit pack, or one digital port associated with a Trunk Data 
    Module (either TDM or MTDM) and one analog port with analog modem 
    for each conversion resourc e. A 7400A Data Module may be used in 
    place of the TDM or MTDM.
    nData Line Data Module: Each port is c onnected to an ADU that converts to 
    an RS-232 interface for connection to a data terminal.
    Keyb oard Dialing to off-premises data en d points requires the use of a tone 
    detector circuit pa ck such as TN748C-Tone Detector, TN420C-Tone Detector, 
    TN744C-Tone Detector/Call Classifier, or TN2182-Tone 
    Clock/Detector/Generator. 
    NOTE:
    The TN748C (Mu-law) and TN420 (A-law) support precise tone d etection. 
    However, the TN744C or TN2182 only support p recise tone  detection in 
    countries that strictly adhere to U.S. standards. Therefore, if the detectors 
    are used in countries that do not adhere to U.S. standards, the users may 
    not exp erience p recise feedback during the data call setup.
    T748C and TN2182 support Mu-law. TN420C, TN744C, and TN2182 support 
    A-law. Extensive use of features and services using tone detection may 
    necessitate adding additional tone detector circuit  packs.
    A TN726 Data Line circ uit pack can be used to provide direct access for data 
    terminal users.
    No a d ditional software is required. 
    						
    							Feature Descriptions
    3-588Issue  3   March 1996 
    Data Hot Line
    Feature Availability
    Data Hot Line is available with all Generic 3 releases.
    Description
    Data Hot Line provides for automatic nondial placement of a data call to an 
    endpoint when the originator goes off-hook. It may be used for security 
    purposes.
    Data Hot Line calls are automatically placed, by the system, from specified 
    digital data endpoints to preassigned extension numbers or off-premises 
    numbers. Hot Line originating endpoints are destinations connected to the 
    system by a data module. The destination numb er is stored in the Abbreviated 
    Dialing List.
    Considerations
    Data Hot Line offers fast and accurate call placement to commonly called data 
    endpoints. Data terminal users that constantly call the same destination number 
    can use Data Hot Line to automatically place the call by going off hook.
    The number of terminals that can be assigned Data Hot Line is not limite d, and 
    the number of terminals that can b e assigned the same destination numb er is not 
    limited. The only limit, if any, would be on the number of entries stored in the 
    Abbreviated Dialing List.
    Interactions
    The following features interact with the Data Hot Line feature.
    nCall Forwarding — All Calls
    A Hot Line originator cannot activate Call Forwarding, since an off-hook 
    intended to dial the Call Forwarding Feature Ac c ess Code will cause 
    activation of the Data Call Hot Line feature instead.
    nData Terminal (Keyboard) Dialin g
    Any Terminal Dialing text may occur when a Data Hot Line Call is being 
    established, with the exception of the inhibition of the initial d ial text 
    message prompt normally given on off-hook for origination. 
    						
    							Data Hot Line
    Issue  3   March 1996
    3-589
    nSystem/ISN Ac cess
    A data call to an ISN data endp oint from a system digital d ata endpoint 
    requires a two-stage dialing. A Hot Line Destination may be an extension 
    number for an outgoing ISN group only, the Hot Line originator must then 
    interact with ISN and manually enter the second address (data endpoint).
    Administration
    Data Hot Line is administered on per-data terminal b asis by the System 
    Manager. The following item requires administration:
    nHot Line Destination Number — The preadministered Hot Line Destination 
    must be stored in an abbreviated dialing list. This list can be a system list, 
    group list, personal list, or enhanced list. Therefore, before this feature can 
    be activated, users’ terminals need to be administered with an 
    a b breviated dialing list that stores the Hot Line Destination. Then, each 
    data module needs to specify the index number of the entry which stores 
    the destination. The following fields from the “ Data Module” form are 
    needed to activate the Data Hotline feature.
    — Special Dialing Option (default/hotline) — For Data Hotline, 
    ‘‘hotline’’ must be selected. Default Dialing and the Data Hotline 
    feature cannot both be assigned to an extension.
    — An Ab breviated Dialing List — One entry in the data mo dule’s 
    a b breviated dialing list needs to store the d efault destination.
    — Dial Code (0-999) — An index to the entry of the a bbreviated 
    dialing list that stores the default destination.
    Hardware and Software Requirements
    No a d ditional hardware or software is required. 
    						
    							Feature Descriptions
    3-590Issue  3   March 1996 
    Data Privacy
    Feature Availability
    Data Privacy is available with all Generic 3 releases.
    Description
    NOTE:
    This feature is know as ‘‘Data Protection’’ in G2.
    Protects analog d ata calls from b eing d isturbed by any of the system’s overriding 
    or ringing features. Data Privacy, when activated by a user, d enies the system 
    the ability to gain access to, or to superimpose tones onto, the protected call.
    To activate this feature, the user dials the activation code at the beginning of the 
    call.
    Considerations
    All systems have the capability for Data Privacy to p rovide interruption protection 
    by denying the system the a bility to gain access to the protected, analog data 
    call.
    Connections involving one or more digital d ata endpoints (d ata module) are 
    automatically protected from receiving system-generated tones. In this case, the 
    Data Privacy feature  is not needed.
    Data Privacy, when activated, ap plies to both voice and data calls. The feature 
    can be activated on Remote Access calls, b ut not on other incoming trunk calls. 
    Data Privacy is canceled if the call is transferred, adde d to a conference call, 
    bridged onto, or disconnected from  by the activating user. Data Privacy can be 
    activated on calls originated from attendant consoles.
    Interactions
    The following features interact with the Data Privacy feature.
    nAttendant Call Waiting and Call Waiting Termination
    If Data Privacy is activated, Call Waiting is denied.
    nBrid ged Call Ap pearance  — Single-Line Voice Terminal
    When Data Privacy is activated or Data Restriction is assigned to a station 
    involved in a b rid ged call and the primary terminal and/or brid ging user 
    attempts to bridge onto the call, Data Privacy and Data Restriction are 
    automatically overridden. 
    						
    							Data Privacy
    Issue  3   March 1996
    3-591
    nIntercom — Automatic and Dial
    An extension with Data Privacy or Data Restriction activated cannot 
    originate an intercom call. Intercept tone is received when the ICOM 
    button is pressed under this condition.
    nMusic-on-Hold Access
    If a call with Data Privacy activated is placed on hold, Music-on-Hold 
    access is withheld to prevent the transmission of some musical tone which 
    a connected data service might falsely interpret as a data transmission.
    nPriority Calls
    If Data Privacy is activated, Priority Calls to the activating extension 
    number are denied on analog voice terminals. However, Priority Calls 
    a p pear on the next available line a p pearance on multi-appearance voice 
    terminals.
    nBusy Verification cannot be done when data p rivacy is active.
    Administration
    Data Privacy is activated by dialing a Data Privacy Feature Ac c ess Code (FAC) 
    before originating the call.  Permission to use the feature is assigned in COS.
    Hardware and Software Requirements
    No a d ditional hardware or software is required. 
    						
    							Feature Descriptions
    3-592Issue  3   March 1996 
    Data Restriction
    Feature Availability
    Data Restriction  is available with all Generic 3 releases.
    Description
    Protects analog d ata calls from b eing d isturbed by any of the system’s overriding 
    or ringing features. Data Restriction, when administered to an extension numb er 
    or trunk group, d enies the system the a bility to gain access to, or to superimpose 
    tones onto, the protected call.
    This feature is administered at the system level to selected analog and 
    multi-ap pearance voice terminals and trunk groups. Once administered, the 
    feature is active on all calls to or from the associated terminal or trunk group.
    Considerations
    All systems have the capa bility for Data Restriction to prevent overriding or 
    ringing features from interrupting the voice or data call.
    Connections involving one or more digital d ata endpoints (d ata modules) are 
    automatically protected from receiving system-generated tones. In this case, the 
    Data Restriction feature is not needed.
    Data Restriction a p plies to b oth voice and data calls. Also, Data Restriction 
    cannot be assigned to attendant consoles. Data Restriction is removed from the 
    current call if it is transferred, added to a conference call, bridged onto, or 
    disconnected from by the restricted extension.
    Interactions
    The following features interact with the Data Restriction feature.
    nAttendant Call Waiting and Call Waiting Termination
    If Data Restriction is assigned, Call Waiting is denied.
    nIntercom — Automatic and Dial
    An extension with Data Privacy when activated cannot originate an 
    intercom call.  An extension with Data Restriction assigned cannot 
    originate an intercom call. Intercept tone is received when the ICOM 
    button is pressed under this condition. 
    						
    							Data Restriction
    Issue  3   March 1996
    3-593
    nMusic-on-Hold Access
    If a call with Data Restriction assigned is placed on hold, Music-on-Hold 
    access is withheld to prevent the transmission of some musical tone which 
    a connected data service might falsely interpret as a data transmission.
    nPriority Calls
    Priority Calls are not denied if the analog station is idle; Call Waiting 
    (including Priority Call Waiting) is denied if the station is busy. However, 
    Priority Calls a p pear on the next available line a p pearance on 
    multi-appearance voice terminals.
    nBusy Verification cannot be done when Data Restriction is assigned.
    Administration
    Data Restriction is assigned on a per-line or trunk basis by the System Manager.
    Hardware and Software Requirements
    No a d ditional hardware or software is required. 
    						
    							Feature Descriptions
    3-594Issue  3   March 1996 
    Data-Only Off-Premises Extensions
    Feature Availability
    Data-Only Off-Premises Extensions is available with all Generic 3 releases.
    Description
    Allows users to esta blish d ata calls involving DCE or DTE that is locate d remotely 
    from the System  site using DATAPHONE d i gital se rv i ce o r other private line data 
    facilities. A Data-Only Off-Premises Extension uses an MTDM located 
    on-premises. Communication with the remote data equipment is accomplished 
    through the private line facility linking the on-premises MTDM and the remote 
    data equipment.
    The Trunk Data Module and DCE or DTE constitute a digital data endpoint. Data 
    calls to this type of data endpoint can be placed using Voice Terminal Dialing or 
    Data Terminal (Keyboard) Dialing. Since there is no voice terminal at the remote 
    site, data calls can be originated from the remote data terminal using Keyboard 
    Dialing only. If computer-generated dialing is used on calls, it must follow the 
    Keyb oard Dialing protocol.
    Considerations
    The systems have the capability for Data-Only Off-Premises Extensions to allow 
    for data calls to remote DCE using DATAPHONE digital service or other private 
    line data facilities.
    Data-Only Off-Premises Extensions provides digital data endpoints located 
    off-premises through a Trunk Data Module located on-premises. 
    Communications to or from this Trunk Data Module (and the associated 
    off-premises equipment) must b e through an on-premises Processor Data 
    Module or Digital Terminal  Data Module. Communications between two Trunk 
    Data Module are not supported. Likewise, Mo dem Pooling, which is conceptually 
    similar to a Trunk Data Module, cannot be used on calls to or from a Data-Only 
    Off-Premises Extension.
    Interactions
    The following features interact with the Data-Only Off-Premises Extensions 
    feature. 
    						
    							Data-Only Off-Premises Extensions
    Issue  3   March 1996
    3-595
    nVoice Terminal Dialin g
    An on-p remises multiappearance voice terminal may have a Data 
    Extension button associated with the Trunk Data Module used for a 
    Data-Only Off-Premises Extension. The voice terminal user and the remote 
    data equipment user share control of the data mo dule. Actions of the user 
    at the voice terminal may affect the remote user.
    — One-Button Transfer to Data
    The on-premises voice terminal user can transfer a call to the 
    Data-Only Off-Premises Extension. The Data Extension  button  on 
    the voice terminal lights and the Call in Progress lamp on the data 
    module lights during an established data call.
    — Return-to-Voic e
    If a data call has already been established, the voice terminal user 
    may press the associated busy Data Extension button to transfer 
    the call to the voice terminal. The data module associated with the 
    Data Extension  button  is disconnected from the call. The Call in 
    Progress lamp on the data mo dule goes dark.
    — Data Call Preindication
    The multia p pearance voice terminal user presses the idle 
    associated Data Extension button to reserve the data mo dule. The 
    data module is then busy to all users except the Preindicating user, 
    including the remote user. When the data module is reserved, the 
    lamp associate d with the Data Extension button winks at the 
    preindicator’s voice terminal and lights at any other asso ciated 
    voice terminals. A remote user receives the BUSY message when 
    attempting to originate a call.
    Administration
    Data-Only Off-Premises Extensions is assigned on a p er-line b asis b y the System 
    Manager. The following item requires administration:
    nDigital Line Circuit Pack — Assign the associated data module to a vacant 
    port.
    Hardware and Software Requirements
    Requires a Trunk Data Module and one port on a TN754 Digital Line circuit pack 
    (TN413, TN754B support A-law). No a d ditional software is required. 
    						
    							Feature Descriptions
    3-596Issue  3   March 1996 
    DCS Alphanumeric Display for 
    Terminals
    Feature Availability
    DCS is available with all Generic 3 releases except G3vs/G3s ABP. 
    Description
    Allows calls to or from terminals equipp e d with alphanumeric displays to have 
    transparency with respect to the display of call-related information.
    Calling Name Display is the presentation, on the 
    called terminal’s alphanumeric 
    display, of the name of the party who originated the call. Called Name Display is 
    the presentation on the 
    originatin g terminal’s display of the name of the party to 
    whom the call is directed.  Both displays provide more useful and precise 
    information than such general identifiers as a trunk group name or an extension 
    number.
    The transparency allows calling and called name information, plus miscellaneous 
    identifiers (IDs) to be sent from a terminal on one node to a terminal on another 
    node.  Transparency in this area is limited by the type of systems at the endpoint 
    nodes and at the intermediate node, if any.
    Considerations
    DCS Alphanumeric Display for Terminals gives the user considerable call 
    handling capabilities by displaying call related information on calls to and from 
    other DCS nodes.
    Calls to and from a DEFINITY system Generic 3 in a DCS network have 
    Calling/Called Name Display transparency under the following conditions:
    nThe other party is at another DEFINITY  syst em Generic 3 and the tandem 
    node is a System 75 Version 3 or later, DEFINITY system Generic 1, 
    DEFI NI TY s yst em  Generic 3, System 85 Release 2 Version 2 or later, or a 
    DEFI NI TY s yst em  Generic 2.1.
    nThe call is not routed through a tandem System  85  Release 2 Version 1 or 
    Enhanced DIMENSION PBX node. (Such calls will display only the 
    extension number of the calling or called party.)
    On outgoing DCS calls, display of the called name may be delayed for a few 
    seconds until the required information arrives from the distant node. The called 
    name display only works between DEFI NI TY s yst em s Generic 1, Generic 3 
    systems, and System 75s.  
    						
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