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ATT DEFINITY Communications System Generic 3 Instructions Manual

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    							Tenant Partitioning
    Issue  3   March 1996
    3-1135
    Considerations
    For a comparison of the DEFINITY system G2 Tenant Services feature with G3V4 
    Tenant Partitioning, see the 
    DE FI NITY  Co mmunications System Generic 2 to 
    Generic 3 Version 4 Transition Reference
    , 555-230-636.
    Capacities
    Interactions
    Tenant partition identification is not passed between switches. A network of 
    DEFI NI TY switches will not enforce Tenant Partitioning restrictions without special 
    administration. For  example, Tenant Partitioning on a network of DEFINITY 
    switches will not enforce tenant specific tie trunks.
    Administration of the following features will require special care to avoid 
    undesired inter-tenant access.
    nBrid ging
    nCall Pickup
    nControlled Restriction
    nFacility Busy Indication
    nFacility Test Calls
    nIntegrated Directory
    nInter-PBX Attendant Calls
    nMain/Satellite/Tributary
    nMalicious Call Trac e
    nPersonal CO line
    nPrivate Networking (AAR)
    nUniform Dial Plan
    The function of any feature that specifies a tenant partition will be affected by 
    tenant-to-tenant restrictions. The function of  the following features is directly 
    affecte d by Tenant Partitioning.
    Table 3-83. Tenant Partitioning Capacities
    G3vs/G3s G3i G3r
    Tenant Partitions20 20 100
    Attendant Groups71628 
    						
    							Feature Descriptions
    3-1136Issue  3   March 1996 
    nAAR/ARS
    Tenant partitions should not be confused with Time of Day Plan Numbers 
    and Partition Groups in AAR/ARS. Time of Day Plan Numb ers and Partition 
    Groups can still b e used to select one of eight route patterns for AAR/ARS 
    routing when Tenant Partitioning is in effect
    nAttendant and Attendant Group Features
    Tenant Partitioning creates multiple attendant groups. Attendant 
    operations such as direct station or trunk-group select (DCS/DTGS) are 
    subject to tenant-to-tenant restrictions b oth at selection time and at split 
    time.
    All calls put on hold b y an attendant from the attendant group will hear the 
    music sourc e from the attendant group.
    nAttendant Control of Trunk Group Access
    An attendant group can only control access to trunk groups that belong to 
    tenants that are served by that attendant group.
    nAUDIX, Intuity AUDIX, DEFI NIT Y AU DIX , a n d  A UDI X Voice Power
    AUDIX voice and data ports will be subject to the same tenant-to-tenant 
    restrictions as any other endpoint.
    AUDIX has the capability to restrict one group of subscribers from 
    sending voice mail to another group of subscribers. The tenant 
    partitioning provider will be able to create up to 10 different communities 
    within each AUDIX that have/do not have permission to send voice 
    messages across community boundaries. 
    nAutomatic Wakeup
    The wakeup music will  be the music sourc e assigned to the wakeup 
    station’s tenant partition.
    nBrid ged Call Ap pearance
    All stations with bridged call appearances should be administered to be 
    under control of the same tenant.
    nCall Coverage
    Tenant-to-Tenant access restrictions will a pply to coverage paths. If a 
    tenant cannot access a particular tenant, it will not be able to access that 
    tenant as part of another tenant’s coverage point.
    When an attendant is specified as part of a coverage path, the attendant 
    group of the called tenant, not the calling tenant, is accessed.
    When a call goes to coverage, is answered and then put on hold, the 
    music on hold will be the music source assigned to the tenant partition of 
    the terminal that was originally called. 
    						
    							Tenant Partitioning
    Issue  3   March 1996
    3-1137
    nCall Detail Record (CDR)
    CDR d oes not report the Tenant Partition Number of the extension or trunk 
    group used. The Tenant Partition Numb er must be inferred from the 
    extension or trunk group number.
    nCall Pickup
    All stations in a call p i ckup group should be a dministered to be under 
    control of the same tenant.
    nCall Vectoring/VDN
    A caller routed to a new destination by a vector step hears the music 
    assigned to the new destination.
    nCMS
    CMS can be administered to provide CMS reports to each tenant. Each 
    login to CMS can be restricted to control, on a permission basis, only 
    those entities that are assigned to a particular tenant. Outputs to separate 
    printers will allow any tenant to print their own CMS reports. The tenant 
    partitioning provider will be responsible for the administration of the CMS 
    to provide this separation of tenant permissions.
    nDial Access to Attendant
    When a tenant dials an attendant it will receive access to its assigned 
    attendant group.
    nEmergency Access to the Attendant
    When a tenant dials emergency access, it will receive access to its 
    assigned attendant group.
    nIntercept Treatment
    When access to the attendant is designated as intercept treatment, the 
    caller will receive access to their assigned attendant group.
    nMalicious Call Trac e
    By d efault, Malicious Call Trace extensions are assigned to Tenant 
    Partition 1. Therefore, if the Malicious Call Trace feature is enabled, it can 
    be used b y any voice terminal with p ermission to call Tenant Partition 1.
    nMultiple Listed Directory Numbers
    Each Listed Directory Number is assigned to a tenant partition.
    nMultiple Audio/Music Sources for Vector Delay
    When music is administered on the wait-time vector step, the music 
    played will b e the music source of the VDN’s tenant number.
    nNight Service
    Each tenant can have its own Listed Directory Numb er (LDN) night 
    destination, Trunk Answer on Any Station (TAAS) port, or Night Attendant. 
    						
    							Feature Descriptions
    3-1138Issue  3   March 1996 
    nPC Interfaces
    Each PC  Interface must b e assigned to a tenant  partition.
    nPC/PBX Connections
    Each PC/PBX  Connection  must b e assigned to a tenant partition.
    nPC/ IS DN
    Each PC/ISDN must be assigned to a tenant partition.
    nRemote Access
    Each Remote Ac c ess barrier code is assigned to a tenant.
    nTraffic Studies
    Traffic Studies do not report the Tenant Partition Numb er of the extension 
    or trunk group used. The Tenant Partition Number must be inferred from 
    the extension or trunk group number.
    nUniform Dial Plan
    If a Uniform Dial Plan is in p lace between switches, Tenant Partitioning 
    identification will not be passed between the switches, and so Tenant 
    Partitioning restrictions will not be enforced between the switches without 
    special administration.
    Administration
    Because some features are not partitioned, sp ecial care must b e exercised 
    during administrative assignment of those features to prevent inter-tenant 
    access. See the “Interactions” section of this desc ription for a list of these 
    features.
    Careful administration by the service provider will be necessary to ensure that: 
    nAll stations in a call p i ckup group are under control of the same tenant
    nAll stations with bridged appearances are under control of the same 
    tenant
    nStations in different d e partments (for the purposes of attendant services) 
    can call each other.
    Each o bject (endpoint, virtual endpoint or other entity) that has an assigned COR 
    must also be assigned a tenant partition number. The exceptions are 
    authorization codes and fixed-assignment virtual endpoints.
    A “ Tenant Partition”  form will need to be filled out for each tenant partition. For 
    complete instructions for administering Tenant Partitioning see Tenant 
    Partitioning in the 
    DEFI NIT Y Com munications System Generic 3 Version 4 
    Implementation
    , 555-230-655, or DEFI NI TY Com munications System Generic 3 
    V2/ V3 Im p lem ent ati on
    , 555-230-653. 
    						
    							Tenant Partitioning
    Issue  3   March 1996
    3-1139
    Hardware and Software Requirements
    No a d ditional hardware is required. Multiple Music on Hold will require separate 
    music sourc es. Tenant Partitioning requires a separate software right to use fee. 
    						
    							Feature Descriptions
    3-1140Issue  3   March 1996 
    Terminal Translation (with Security 
    Measures)
    Feature Availability
    This feature is available with Generic 3rV1 and all Generic V2 and later releases.
    Description
    The TTI Feature allows a user to associate a terminal 
    administered-without-hardware translation to a valid p ort address by dialing a 
    special digit sequence (feature access code, TTI security code, and extension) 
    from a terminal connected to the port. It also allows a user to disassociate a 
    terminal from its port location by dialing a similar ‘‘disassociate’’ d i git sequence.
    The feature also includes the administration necessary to change 
    unadministered ports in the switch to ‘‘TTI Ports’’ — or ports from which the TTI 
    association sequence can occur. The TTI Feature, when used with the 
    Administration Without Hardware (AWOH) feature, is expected to reduce costs in 
    the initial provisioning of a system, and also aids in station and data module 
    moves from office to office.
    Terminal Association from a Voice TTI Port
    When you go offhook, you receive dial tone and the selected call appearance 
    light is lit on multifunction sets. Then you dial the feature access code for station 
    TTI activation. If you are dialing from a set connected to a TTI Port and TTI is 
    turned on for VOICE on the “System Parameters — Features”  form you g et a 
    second dialtone. Then you d ial the TTI security code. If you dial the correct code, 
    you are allowed to continue and get a third dial tone. (If you dial the wrong code, 
    you get intercept treatment and are dropped from the call. If you d ial a valid 
    extension and if the extension is being changed on the ‘admin G3-MT’ or ‘G3-MA’ 
    screen, then you g et reorder treatment.) You then dial a valid station number and  
    receive confirmation tone. Reorder tone is also an invitation to try the association 
    again. Reorder tone could be given if many users are trying to associate at once 
    in which case trying again  immediately probably succeeds. (The extension is 
    valid in the system if it is within the d ialplan, is a dministered without a hardware 
    location specified, and the set typ e of the extension matches the port type of the 
    TTI Port making the merge request. For examp le, a d igital set typ e can only be 
    merg ed to a  port on a digital board ). As a result, the TTI Port is associated with 
    the extension, creating a fully translated station.
    If there is a problem you receive intercept treatment and are dropped from the 
    call. One reason for this might be that you are not dialing from a TTI port or the 
    TTI  i s  n o t  s e t  t o VO ICE . 
    						
    							Terminal Translation (with Security Measures)
    Issue  3   March 1996
    3-1141
    Terminal Disassociation from a Voice Station
    When you g o offhook, you receive dialtone. The selected call  appearance light is 
    lit on multifunction sets. You dial the feature access c o de for station TTI 
    disassociation. If you are dialing from a translated voice extension then you get a 
    second dialtone. You d ial the TTI security c o de. If you dial the correct c o de, you 
    are allowed to continue and are given a third dialtone.
    NOTE:
    If the code is dialed incorrectly, you get intercept treatment and are 
    dropped from the call. If you dial the extension of the set you are 
    originating from, and if the extension is being changed on  the 
    ‘admin G3-MT’ screen, you get reorder treatment. If not, the station’s 
    p ort translation is disassociated from the  station, you would get 
    confirmation tone, and  it becomes a station administered without 
    hardware.
    Then d ial the extension and get the  confirmation tone.
    Other Types of Terminals
    The examples given so far have b een specific for voice terminals. The TTI feature 
    also supports attendants, data mo dules, voice/data, and ISDN-BRI terminals.
    Attendants
    The TTI port translations are the same for digital voice terminals and attendant 
    consoles. To perform an association between a digital TTI voice port and an 
    attendant AWOH extension, a digital voice station must be plugged into the jack 
    assigned to the attendant console, and the TTI association digit sequence must 
    be entered on the digital voice station. Once the TTI association has been 
    completed for the attendant, the digital station must be unplugged and the 
    attendant plugged into the jack.
    An attendant can only be separated from its extension translation via the 
    ‘Attendant Ad ministration’ screen. A TTI disassociate request from an attendant 
    console gives the user intercept treatment.
    Analog Queue Warning Ports and External 
    Alert Ports
    The analog queue warning ports (used for hunt groups) and the external alert 
    port may b e administered with an extension b ut without hardware. These types of 
    extensions can be associated to an analog port via the TTI feature. The 
    association must be d one by an analog set, and then the analog set is 
    unplugged from the port. These  extensions  cannot  be  disassociated from their 
    port location with the TTI feature. A TTI disassociate request from one of these 
    ports gives you intercept treatment. 
    						
    							Feature Descriptions
    3-1142Issue  3   March 1996 
    Data Modules
    There are tone and di git-sequence differences with data modules.
    Tone differences
    In the association/disassociation control flow, different tones are g iven to the 
    voice terminal user to give the current status of the TTI operation. Instead of 
    audible tones, status messages are displayed on a terminal connected to a data 
    module when activating the TTI sequence through keyboard dialing. Table 3-84 
    lists a comparison of messages you get instead of tones. TTI must be turned on 
    for data in the “ Change System Features Parameter”  form. These status 
    messages are:
    Digit sequence differences
    For a stand alone data mo dule, the TTI associate/d isassociate digit sequence is 
    entered in one line at a dial promp t:
    nDIAL: < AWOH ext>
    Separate prompts are not given for the TTI security code and extension.
    Voice/Data terminals
    A station with a data terminal (DTDM) is treated the same as voice terminals in 
    the TTI association/d isassociation procedures. The DTDM is 
    associated/disassociated from its hardware translation at the same time the 
    station is associated/disassociated. The TTI associate/disassociate sequence 
    can only be initiated through the voice station for DTDM’s; it cannot be initiated 
    through the data port.
    Table 3-84. Voice Terminal Tones vs. Data Terminal Display
    Voice Tone Data Display
    dial tone DIAL:
    confirmation CONFIRMED
    reorder TRY AGAIN
    intercept DENIED
    busy BUSY 
    						
    							Terminal Translation (with Security Measures)
    Issue  3   March 1996
    3-1143
    ISDN BRI Terminals
    The TTI disassociation sequence for Automatic TEI SPID initializing BRI terminals 
    is identical to the sequence used for voice terminals. However, the 
    association 
    sequence is different. 
    nDisassociation sequence:
    nFeature A c cess Code
    nSecurity Code
    nExtension 
    nAssociation sequence:
    nConnect the station to any port to get power
    nProgram the SPID to the extension with which it will be associated 
    nUnplug the station (this is necessary even if the station is 
    connected to its intended port)
    nConnect the station to its intended port (this port should indicate 
    Equipment Type: TTI Port)
    nReceive dial tone:
    nDial tone - association is complete
    nNo dial tone - terminal’s SPID is not an available extension 
    number
    For BRI sets, dialing the TTI association sequence can be used if a user 
    disassociates a BRI extension from its set and then wants to undo the process by 
    reassociating the set to the same extension. 
    Security Measures
    This feature may be subject to unauthorized use. A person could disrupt normal 
    business functions by disassociating voice or data terminals. The administrator 
    or system manager can help protect against this action b y changing the security 
    code often. Another step is to remove the Feature Access Code from the system 
    when it does not need to be used (for  example, there are no moves going on at 
    present). Consult the 
    BCSystems Security Handbook, 555-025-600, for a d ditional 
    steps to secure your  system and find out about obtaining information regularly 
    about security developments.
    Considerations
    The total numb er of translate d voice terminals and Voice TTI ports in a system is 
    limited to the maximum number of administered stations supported in the 
    system. The total numb er of translate d data terminals and Data TTI ports in a 
    system is limited to the maximum number of administered data modules allowed  
    						
    							Feature Descriptions
    3-1144Issue  3   March 1996 
    in the system. Each time a station is unmerged from a port, two station records 
    are created. When the maximum number of administered stations is reached, 
    they are no longer available for TTI.
    The provisioning p rocedures indicate that TTI should be set to TTI Voice first and 
    then to TTI Data. The reason for the preference in order is to reduce the chance 
    of a user trying to use TTI on a data-only terminal that d oes not have TTI Port 
    Translation. This can happen because the number of voice terminals allowed by 
    the system is twice the number of data terminals. For examp le, if the system limit 
    for voice terminals is 15,000 and 7,500 for data, then when TTI was turned on for 
    Data first, only the first 7,500 unadministered ports would get TTI port 
    translations. These 7,500 ports may not be the ‘‘correct’’ 7,500 ports.
    The TTI Feature, when used with the Administration Without Hardware feature, is 
    expected to reduce costs in the initial provisioning of a system, and also aids in 
    station and data mo dule moves from office to office.
    Interactions
    The following describes how association/disassociation affects other features in 
    use or active at the time  the association/d isassociation is performe d. Some 
    functionality is limited to multibutton sets.
    nAutomatic Callback
    If a station becomes disassociated while a normal station has automatic 
    callback activated for that station,  the normal stations auto-callback light 
    is turned off and the auto-callback sequence is broken.
    nBrid ged Call Ap pearance
    If a station has a bridged call appearance of another station, that is off 
    hook, the station administered with  the brid ged call appearance can 
    disassociate at any time and not disrupt the call in progress on the bridge.
    If a station with a bridged appearance of a normal station associates itself 
    while the extension for the  bridged appearances involved in the call, that 
    station associating itself can join the call after it has  completed the 
    association sequence.
    Disassociation cannot b e performe d from a bridged call a p pearance. 
    Disassociation (TTI) of a station must be performed from the p ort on which 
    the set resides.
    nCall Coverage
    If a station disassociated while send-all-calls or goto-coverage is active, 
    then these features remains  active while the station has no hardware 
    translation. 
    						
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