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ATT DEFINITY Communications System Generic 3 Instructions Manual

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    							Night Service — Trunk Grou p
    Issue  3   March 1996
    3-937
    Night Service — Trunk Group
    Feature Availability
    This feature is available with all Generic 3 releases.
    Description
    The Trunk Group Night Service feature allows an attendant or a designated voice 
    terminal user to individually assign a trunk group or all trunk groups to the night 
    service mode. Specific trunk groups (individually) assigned to Trunk Group Night 
    Service are in the In dividual Trunk Night Service Mode. In this mode, incoming 
    calls made on a sp ecific trunk group are redirected to its designated Night 
    Service Extension  (NSE). Incoming calls on the trunk groups not assigned to 
    Trunk Group Night Service are be processed normally.  The specific trunk 
    groups can be assigned to Trunk Group Night Service by pressing the individual 
    Trunk Night Service b utton(s) on the attendant console or a voice terminal.
    All trunk groups can be assigned to the night service mode at the same time.  In 
    this arrangement, the trunk groups are in the System Night Service mode. Any 
    incoming calls made on the trunk groups are redirected to their designated NSE. 
    All trunk groups can be assigned to System Night Service by pressing the 
    System Night Service button on the principal attendant console or a  designated 
    voice terminal.
    Considerations
    The Trunk Group Night Service feature gives a d de d flexibility to attendants and 
    designated voice terminal users who are responsible for activating or 
    deactivating all, or individual, trunk groups at various times.
    All incoming calls on individual or system Night Service trunk groups goes to the 
    trunk group’s NSE unless the trunk group member has its own Trunk Group 
    Member Night Destination, in which case the calls are redirected to that night 
    destination instead of the trunk g roup’s NSE.
    Calls already in progress on a trunk group, such as talking, on hold, or  waiting in 
    queue on a trunk group, are not affected when the individual Trunk Group Night 
    Service or System Night Service feature is activated b y the attendant or a voice 
    terminal user.
    Trunk Group Night Service and System Night Service b oth work independently of 
    each other.  Activation or d eactivation of one of these night service features d oes 
    not affect the other.  Specific situations are described below:
    nWhen System Night Service is d eactivated, trunks with individual Trunk 
    Group Night Service still activated remain in night service. 
    						
    							Feature Descriptions
    3-938Issue  3   March 1996 
    nWhen System Night Service is activated, trunks controlled by individual 
    Trunk Group Night Service buttons remain in day service.
    nTrunks with individual Trunk Group Night Service can be taken out of Night 
    Service even though the rest of the system remains in Night Service.
    nTrunks with individual Trunk Group Night Service can be put into Night 
    Service even though the rest of the system remains in day service.
    nTrunk groups assigned to individual Trunk Group Night Service are not 
    reassigned to System Night Service when the System Night Service 
    feature is activated. Those trunk groups that are not currently assigned to 
    Trunk Group Night Service are assigned to System Night Service.
    If a trunk is added to a trunk g roup while that trunk group is in Trunk Group Night 
    Service, the trunk is brought up in night service.
    Individual Trunk Group Night Service does not apply to  DID trunk groups.
    If Night Service is activated for a trunk group, and a power failure o c curs, the 
    trunk group automatically returns to the Night Service mode.
    If for some reason, a voice terminal with a trunk-ns button remains out-of-service 
    after a system reboot and later comes back in service, the trunk-ns lamp shows 
    the trunk status within 10 seconds of coming back in service. For example, a 
    voice terminal with a trunk-ns button may be unplugg e d when the system is 
    rebooted.  If the voice terminal is later plu g ged back in, the trunk status is shown 
    on the trunk-ns b utton within 10 seconds.
    Interactions
    The following features interact with the Night Service — Trunk Group feature.
    nLDN 
    In the System Night Service mode, all incoming  LDN calls, except those 
    using DID trunks, which have activated night service are redirected to 
    their corresp onding trunk group’s NSE. Incoming LDN calls using DID 
    trunks are directed to the Night Console Service, Night Station Service, or 
    Trunk Answer From Any Station feature, respectively, whichever applies 
    first. Non-LDN DID trunk calls terminate at the dialed extension.
    nCall Forwarding — All Calls
    If the Trunk Group Night Service mode and the trunk group’s NSE has Call 
    Forwarding — All Calls a ctivated, the night service c alls terminating to that 
    NSE are forwarded to its designated extension.
    nForced First Announcements
    An intera ction occurs with system night service and Forced First 
    Annoucement. For example, if hunt group A has a forced first 
    announcement (delay =0), assign the incoming CO trunk to terminate at  
    						
    							Night Service — Trunk Grou p
    Issue  3   March 1996
    3-939
    hunt group A. Assign the incoming trunk’s night service destination to be 
    another hunt group (hunt group B). Assign a night service button to the 
    attend ant. 
    With night service activated on the attendant, the incoming CO call routes 
    to the night service destination hunt group B and d oes not play the Forced 
    First Announcement of the incoming destination’s hunt group A.
    Without night service active, the incoming CO call routes to the incoming 
    d estination hunt group A and plays the Forced First Announcement.
    Administration
    Individual Trunk Group Night Service is a dministered on a voice terminal b asis or 
    attendant console. The following items require administration:
    nAssign ‘‘trunk-ns’’ button(s) to d esignated voice terminal(s). Up to three 
    buttons c an be assigned to voice terminals in each trunk group. The trunk 
    group number must be assigned for each button.
    If a ‘‘trunk-ns’’ button is assigned for an existing trunk, it is update d 
    immediately to show the status of the trunk.
    nAssign ‘‘trunk-ns’’ button(s) to attendant console(s). Three buttons per 
    attendant console are allowed. The trunk group number must be assigned 
    for each button.
    nPermission to allow attendant seeking calls other than DID LDP  calls 
    redirect to the DID Listed Directory Number (LDN) night extension, if 
    desired.
    The system can have extension numb ers for Night Service per trunk group 
    member that take precedence over the one assigned to the group. The system 
    can have Trunk Group Night Service and split Night Service at the same time, but 
    the calls are redirected to the trunk group’s NSE before it goes to the hunt 
    group/split’s NSE.
    Hardware and Software Requirements
    No a d ditional hardware or software is required. 
    						
    							Feature Descriptions
    3-940Issue  3   March 1996 
    Off-Premises Station
    Feature Availability
    This feature is available with all Generic 3 releases.
    Description
    Allows a voice terminal located outside the building where the switch is located 
    to be connected to the system.    If CO trunks are used, the voice terminal must 
    be analog and must b e FCC-registered (or, outside the US, registered by the 
    appropriate governmental agency).
    Considerations
    Off-Premises Stations are useful whenever it is necessary to have a voice 
    terminal located away from the main location.
    The maximum loop distance for Off-Premises Stations is 20,000 feet (6093.34 
    meters) without repeaters.
    Interactions
    The Distinctive Ringing feature might function improperly at an Off-Premises 
    Station due to the distance. However, the Distinctive Ringing  feature  can  be 
    disabled when the Off-Premises Station is a dministered. If the Distinctive Ringing 
    feature is not used with an Off-Premises Station, the terminal will receive 
    one-burst ringing for all calls.
    Administration
    Off-Premises Stations are administered by the System Manager.
    Off-Premises Stations are a dministered the same as on-premises voice terminals 
    with the following exceptions:
    nFor voice terminals used as Off-Premises Stations the “ Off-Premises 
    Station” field must be a dministered as yes.
    nFor voice terminals used as Off-Premises Stations the “ R Balance 
    Network”  field must  be completed. 
    						
    							Off-Premises Station
    Issue  3   March 1996
    3-941
    Hardware and Software Requirements
    Requires cross-connecting capabilities or one port on a TN747 or TN464B/C/D 
    DS1 Tie Trunk circuit pack  for each interface to be provided.
    NOTE:
    TN767 supports Mu-Law, TN464B supports A-Law, and TN464C/D 
    supports both Mu-Law and A-Law.
    No a d ditional software is required 
    						
    							Feature Descriptions
    3-942Issue  3   March 1996 
    3
    PC Interface
    Feature Availability
    This feature is available with all Generic 3 releases.
    Description
    The PC (Personal Com puter) Interface feature consists of the PC/PBX 
    Connection, the PC/PBX Platforms, and PC/ISDN Platform product family. These 
    products are used with the and DEFINITY  Sy stem  Generic 3 switches to provide 
    users of AT&T PCs and other IBM comp atible PCs fully integrated voice and data 
    work station capabilities. PC/PBX Connection is a voice and data call 
    management application.
    NOTE:
    See the AT&T Catalog or your account team for other applications available 
    on the platforms.
    The platforms consist of PC interface cards and open voice and data 
    Applications Programming Interfaces (API). These APIs allow a variety of 
    applications to operate on the PC and communicate with the switch.
    Configurations
    Several different configurations are available for the PC Interface feature. For 
    convenience in referencing, these break d own into three groups. Groups 1 and 2 
    use the DCP (Digital Communications Protocol) while Group 3 uses the ISDN-BRI 
    (Basic Rate Interface) protocol.
    Configuration Group 1
    Group 1, consists of those DCP PC/PBX configurations that use a PC Cartridge in 
    a 7404D voice terminal (manufacture discontinued) to communicate with the 
    switch. This group was formerly called p ackage 1 (now Release 3.0X) and 
    package 2. Group 1 is shown in Figure 3-26. (Please note that this configuration 
    is not available for new installations.) 
    						
    							PC Interface
    Issue  3   March 1996
    3-943
    Figure 3-26. DCP PC Interface Configuration (Group 1)
    1 Other IBM-c omp atible PCs can be used, as well as the PC 6300.2 UNIX PCs were originally introduced but are no longer supported by the PC Interfa ce feature.
    Configuration Group 2
    Group 2, consists of those DCP PC/PBX Connection configurations that use the 
    PC/PBX Interface Card (formerly DCP exp ansion card) in the PC itself to provide 
    the communications interface with the switch.  Group 2 uses the DCP protocol 
    and is described in detail in 
     PC/PBX Connection Release 3, 555-016-715, and 
    PC/PBX Platform Installation and Reference, 555-016-101.  Group 2 was formerly 
    called packages 3, 4, 5, and 6 and now are c ombined as Release 3.0X.  Group 2 
    is shown in  Figure 3-27.
    DEFINITY
    Generic 3
    PC³  UNIXÒ PC6300²
    7404D with
    PC Cartridge7404D with
    PC Cartridge
    EIA
    RS232DCPHost
    Package 2Package 1 
    						
    							Feature Descriptions
    3-944Issue  3   March 1996 
    Figure 3-27. DCP PC Interface Configuration (Group 2)
    1 Other IBM-c omp atible PCs can be used, as well as the PC 6300. PCs that use the MicroChannel. 
    b us (IBM Personal System/2 TM Models 50, 55, 60, 70, 80, or 100 percent compatible) can 
    use the PC/PBX MicroChannel Platform Interface card.
    2 UNIX PCs were originally introduced but are no longer supported b y the PC Interfa ce feature.
    Configuration Group 3
    Group 3 consists of those configurations that use the ISDN-BRI (Basic Rate 
    Interface) for communications.  Connectivity to the switch is provided by the 
    PC/ISDN Interface Card installed in the PC itself. Possible arrangements in this 
    group include the PC as a stand alone terminal (PC only), or with from one to four 
    voice terminals,  handsets, or headsets.  Group 3 is available on the DEFINITY 
    switch Generic 3, b ut not on previous System 85 switches.  Group 3, d escribed 
    in detail in the 
    PC/ISDN Platform  Installation  and  Reference manual, 
    555-016-102, is shown in Figure 3-28.
    Applications and Benefits
    PC Interface users receive benefits provided by both the PC and the features 
    and services of the DEFINITY  Generic 3 switch.
    DEFINITY
    Generic 3
    Packages  4 and 6UNIX PC²
    With DCP Interface
    CardDCP
    DCP
    Packages 3 and 5PC6300*
    With DCP Interface
    Card
    DCP
    Voice
    Terminal
    DCP
    Voice
    TerminalHost 
    						
    							PC Interface
    Issue  3   March 1996
    3-945
    Figure 3-28. ISDN—BRI PC Interface Configuration (Group 3)
    Switch Features and Services
    PC Interface users have multiple appearances (d epending on the software 
    application used) for their assigned extension.  One or more of these 
    appearances can be designated for use with data calls.  With the ISDN-BRI 
    version, up to four separate PC/ISDN Interface Cards can be used on the same 
    PC.  Each interface card used can be assigned a separate extension numb er, 
    and each of these extension numbers can have multiple appearances. The 
    availability of specific features depends on the class of service of the assigned 
    extension and the system class of service for the switch. Modem Pooling should 
    be provided to ensure general availability of off-net data calling services.
    PC Features and Services
    nPC/PBX Connection
    Provides an integrated voice and data workstation interface from the 
    System to an AT&T PC 6300 or other comp atible computer. The 
    connection provides access to a variety of host computers, allowing the 
    PC to act as a terminal for the host.
    To administer a PC/PBX connection, the PC/PBX connection must be 
    completed.
    DEFINITY
    Generic 3
    TN556
    Handset
    or
    Headset PC With Application2B + D
    Switch FeaturesDMI Interworking
    ISDN
    Voice
    Terminal
    Voice
    Terminal
    BRI StationsPRI Trunks
    BRI
    Interface
    CardBRI
    Interface
    CardBRI
    Interface
    CardBRI
    Interface
    Card
    ISDN 
    						
    							Feature Descriptions
    3-946Issue  3   March 1996 
    nDirectory Service
    nLast Numb er Dialed 
    Features and services provided by the PC are a function of the PC 
    software application in place.  With the PC/PBX Connection software, they 
    include PC based Directory Services (on line), a Last Number Dialed 
    feature (separate from these features as provided by the switch), and 
    basic asynchronous terminal emulation.
    n3270 Emulation
    nHayes Smart Modem Emulation
    nE78 Plus/ISDN
    Other options include such functions as synchronous 3270 Emulation and 
    Hayes Smart Modem Emulation.  The E78 Plus./ISDN (no longer available) 
    software package provides enhanced software based 3270 emulation 
    with high s peed (64 Kbps) connections (through a 3270 d ata module) to a 
    local or remote 3270 cluster controller.  This includes bulk file transfer 
    capability over switched links including either ETN (Electronic Tandem 
    Network) or ISDN circ uits.  Exp ensive fixed coaxial connections can be 
    avoided.  The user interface with the E78 Plus/ ISDN software is the same 
    as with the widely used E78/IRMA
    TM (no longer available) hardware 
    configurations.
    Refer to the AT&T document 
    PC/PBX Platform Installation and Reference 
    555-016-101 (for Group 2) and to 
    PC/ISDN Platform Installation and 
    Referenc e
     555-016-102 (for Group 3) for details on PC software options 
    and features, and applications.  Also see the AT&T Catalog or your 
    account representative for more information on available applications.
    For additional PC/PBX user information, refer to 
    AT&T PC/PBX Connection 
    Package 3 User’s Guide,
     555-016-703. A comp lete set of documents is 
    available as 
    AT&T PC/PBX Connection Release 3 Documentation Set, 
    555-016-715.
    The PC/PBX Platforms and  PC/ISDN Platform offers local custom 
    applications programming capability.  A separately orderable publication, 
    the 
    PC/ISDN Interface Software Developer’s Guide, 555-016-103, 
    provides the information that you need to customize existing applications 
    software or to develop new applications software to meet local needs.
    Feature History and Development
    The DCP versions of this feature (Groups 1 and 2) were first supported in 
    System 85 R2 V4, as the PC/PBX Connection feature.  For System 85 R2 
    V4 and later switches, PCs have their own terminal typ e (PC).  On earlier 
    versions of the Release 2 System 85 switch, PC/PBX c onfiguration Groups  
    						
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