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Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide
Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide
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DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1467 Remote Access 20 system does not have access to the calling (outside) number, Ringback Queuing and Automatic Callback cannot be used on a Remote Access call. Also, any feature requiring recall dial tone (for example, Hold and Transfer) cannot be accessed remotely. Read the information in ‘‘ Security’’ on page 1468 before administering this feature. !SECURITY ALERT: Lucent Technologies has designed the Remote Access feature incorporated in this product that, when properly administered by the customer, enables the customer to minimize the ability of unauthorized persons to gain access to the network. It is the customer’s responsibility to take the appropriate steps to properly implement the features, evaluate and administer the various restriction levels, protect access codes, and distribute them only to individuals who have been advised of the sensitive nature of the access information. Each authorized user should be instructed on the proper use and handling of access codes. In rare instances, unauthorized individuals make connections to the telecommunications network through use of remote-access features. In such an event, applicable tariffs require that the customer pay all network charges for traffic. Lucent Technologies cannot be responsible for such charges, and does not make any allowance or give any credit for charges that result from unauthorized access. Detailed description Remote Access provides you with access to the system and its features from the public network. This allows you to make business calls from home or use Recorded Telephone Dictation Access to dictate a letter. If authorized, you can also access system features from any on-site extension. With Remote Access, you can dial into the system using Direct Inward Dialing (DID), Central Office (CO), Foreign Exchange (FX), or 800 Service trunks. When a call comes in on a trunk group dedicated to Remote Access, the system routes the call to the Remote Access extension you have assigned. If DID is provided and the Remote Access extension is within the range of numbers that can be accessed by DID, Remote Access is accessed through DID. Upon access to the feature, you hear system dial tone. If you have administered your system to require a barrier code or authorization code, the system requires you to enter it now. When you enter the required codes, the system generates dial tone. You can now place local or long-distance calls as allowed.
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1468 Remote Access 20 Barrier codes provide your system security and define calling privileges through the administered class of restriction (COR). You can administer up to 10 barrier codes, each with a different COR and class of service (COS). Barrier codes can be from 4 to 7 digits, but all codes must be the same length. You can also require that users enter an authorization code to use this feature. Both barrier codes and authorization codes are described under ‘‘ Security’’ on page 1468. The destination of incoming non-DID trunk calls can be an attendant or an extension. The destination is specified on each individual trunk group. When the trunk group is dedicated to Remote Access, the Remote Access extension is specified. In this case, you do all dialing. If an attendant is needed on a call, you dial the public network telephone number assigned, the barrier code, and the attendant access code. You can administer your system to provide attendant-assisted calling during the day but Remote Access after normal business hours. You do this by setting the trunk group Incoming Destination field to the attendant (attd), and specifying the Remote Access extension as the Night Service extension . After a Digital Terminal Data Module’s (DTDM) baud rate is changed from 9600 to 1200, the DTDM cannot be accessed by Remote Access until an internal call is made to the DTDM. Security The system provides the ability to check the status of the remote access feature and barrier codes. The status remote-access command displays information that can help in determining why and when use of Remote Access or a particular barrier code was denied. The display indicates if Remote Access is: nNot administered nEnabled nDisabled nDisabled following detection of a security violation It also gives the date and time Remote Access was last modified. For each barrier code, the command displays: nDate the code was administered, reactivated, or modified nExpiration date nNumber of calls that can be placed with the code nNumber of calls that have been placed using the code
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1469 Remote Access 20 nWhether the code is active or expired nDate and reason a code expired For a detailed description of the status remote-access command and display, refer to BCS Products Security Handbook. Barrier Codes Remote Access has inherent risks; it can lead to large-scale unauthorized long-distance use. To increase your system’s security, use a 7-digit barrier code with Remote Access Barrier Code Aging. You can administer the Remote Access Barrier Code Aging feature to: nLimit the length of time an access code remains valid nLimit the number of times an access code can be used nBoth of the above You must administer expiration dates and access limits for each of the possible 10 barrier codes. If your system has more than 10 Remote Access users, they must share codes. A barrier code automatically expires if an expiration date or number of accesses has exceeded the limits you set. If both a time interval and access limits are administered for a barrier code, the barrier code expires when one of the conditions is satisfied. If barrier codes are administered, a special answer-back tone causes a calling modem to leave dial mode. A modem’s dialer is sometimes used to gain access (this tone also cancels echo suppressors in the network, preventing DTMF tones from breaking dial tone from a switch). Barrier codes can be used alone or with authorization codes. To view the status of a Remote Access barrier code, use the status remote-access command. NOTE: Barrier codes are not tracked by Call Detail Recording (CDR). Barrier codes are incoming access codes, whereas, authorization codes are primarily outgoing access codes. When you no longer need a barrier code, remove it from the system. Barrier codes should be safeguarded both by you and their users.
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1470 Remote Access 20 Authorization Codes You can also administer authorization codes to manage access to your system. You can then use CDR to track this code use. Use these guidelines to manage your system’s authorization codes. nAssigning codes — Create random codes; do not allow them to follow a predictable pattern. Use the maximum code length allowed and assign a unique code to each person responsible for protecting the code. nChanging codes — Change codes often. nDeleting codes — Delete codes when they are no longer needed. nMonitoring codes — Use CDR reports to analyze code use. Alternate Facility Restriction Levels Consider changing facility restriction levels (FRL) with alternate facility restriction levels (AFRL) after normal business hours to restrict where calls can be made over your facilities. Take care not to restrict callers from summoning emergency services after hours. Class of Restriction The COR of an authorization code supersedes that of a barrier code. nTime of Day Routing — Controlled by the time-of-day entries in COR or by the partition. nToll Restriction and Analysis — Controlled by COR. nTrunk Access Code — Interacts with toll restriction. You can translate your switch so users can make toll calls via Alternate Route Selection (ARS) without using a trunk access code. nTrunk Administration — Remote Access trunks can be restricted. For additional steps to secure your system and to find out about obtaining security information on a regular basis, refer to the BCS Products Security Handbook. Logoff Notification Use Logoff Notification when Remote Access is enabled, but not actively used. Logoff Notification notifies you at logoff that Remote Access is enabled. It guards against inadvertently leaving Remote Access active and can also alert you to unauthorized feature activation. Logoff Notification is administered by login ID.
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1471 Remote Access 20 Interactions nAuthorization Codes When a Remote Access caller dials the assigned Remote Access extension and connects to the system, the system may request the caller to dial an authorization code in addition to a barrier code. Dial Tone between the barrier code and authorization code is optional. Calling privileges associated with the COR assigned to the authorization code supersede those assigned to the barrier code. nClass of Restriction COR restrictions do not block access to the Remote Access feature. nNight Service The Remote Access extension can be specified as the Night Service extension on an incoming, non-DID, trunk group. Related topics Refer to ‘‘ Remote Access’’ on page 857 for information about and field descriptions on the Remote Access screen. Refer to ‘‘ Setting up remote access’’ on page 297 for step-by-step instructions for configuring remote access. Refer to ‘‘ Authorization Code — COR Mapping’’ on page 497 for information about and field descriptions on the Authorization Code screen. Refer to ‘‘ Trunk Group’’ on page 967 for information about and field descriptions on the Trunk Group screen. Reset Shift Call Reset Shift Call allows users to redial a local or private network call by pressing a single digit. The switch plays reset shift dial tone on busy calls if: nA station or attendant originates a call nThe dialed endpoint is in the dial plan and is one of the following types: nExtension (local or uniform dial plan (UDP)) nPrefixed extension (local or UDP) nAAR
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1472 Remote Access 20 nThe destination is on the same switch as the originator, or is connected via an ISDN trunk to the originating switch When the caller hears reset shift dial tone, they can press a single digit that replaces the last digit of the originally-dialed destination and the call transfers to the new destination. This feature is useful, for example, where extensions are assigned sequentially to functional organizations. The originator and destination of the call both must be connected to DEFINITY ECS. In DCS or QSIG environments, both must be on the same DCS or QSIG networks, but do not need to be connected to the same DEFINITY ECS. Interactions nAutomatic Alternate Routing (AAR) If a user dials the AAR feature access code followed by destination digits to place a call and the destination is busy, reset shift dial tones is heard. If the user then dials a new destination last digit, a new call is placed and the display updates as if the AAR feature access code, followed by the new destination, was dialed originally. nBridged Call Appearance If set A has a bridged appearance on set B, and both users A and B are off-hook on that bridged appearance, and set A calls set C, and set C is busy, both A and B hear reset shift dial tone. If set B then presses a single digit, the digit is ignored and both A and B continue to hear reset shift dial tone. Set A must dial the new destination last digit. nDistributed Communications System Reset shift call works in a DCS network over ISDN trunks. DCS+ and QSIG networks always support reset shift calls. nForwarding If the called destination is forwarded to station A and station A is busy, the switch applies reset shift dial tone. If a user dials to a forwarded set and then gets reset shift dial tone, and enters a digit, the number dialed by the reset shift call feature is 1 digit off from the original user-dialed number, not the forwarded-to number. nHot Line Service If a station set user with hot line service reaches a busy endpoint, the user hears busy tone and not reset shift dial tone.
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1473 Remote Access 20 nIntercom nDial If a user lifts the handset, presses the DIAL INTERCOM button, dials the 1-digit or 2-digit intercom code assigned to another set, and reaches a busy set, the switch plays busy tone, not reset shift dial tone. nAutomatic If a user lifts the handset, presses the AUTOMATIC INTERCOM button, and reaches a busy set, the switch plays busy tone, not reset shift dial tone. nLast Number Dialed If a user hits a LAST NUMBER DIALED button while listening to reset shift dial tone, the button press is denied. If a user uses last number dialed after having used reset shift call on the last call, the switch re-attempts the last special-dialed call. nLine Lockout An analog user listening to reset shift dial tone is not subject to the line intercept tone timer. nLine Side DS1 A call originated from a line side DS1 station (ds1fd, ds1sa, ops, vrufd, vrusa) is considered a station originated call. nMultimedia Call Handling If a user at a multimedia complex presses the MM-CALL button or dials the multimedia-origination feature access code after receiving dial tone, and then reaches a busy set and uses the reset shift call feature, the resulting new call attempt will be a multimedia call attempt. nPriority Calling If a user dials the priority calling feature access code or presses a priority call button, dials a busy station, and then uses the reset shift call feature, the switch makes a priority call to the substituted destination. nQSIG Reset shift call does work in a QSIG network if the QSIG network configuration allows the ISDN busy signaling to always propagate back to the originating switch, which may not be the case if the network includes non-Lucent trunks and/or switches. nRemote Access A call originated from a remote access extension does not receive reset shift dial tone.
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1474 Ringer Cutoff 20 Ringer Cutoff Ringer Cutoff allows multiappearance telephone users to turn audible ringing signals on and off. This feature does not affect visual alerting. When this feature is enabled, only Priority ring (by default 3-burst), Redirect Notification, Intercom ring, and manual signaling ring at the telephone. Internal and external calls do not ring. The following table summarizes which calls are affected by Ringer Cutoff. NOTE: If Call Coverage is set to Cover All and Ringer Cutoff and Redirect Notification are both active, then Redirect Notification is received. If Redirect Notification is not active, no audible alerting is received. A user may not wish to be disturbed by the arrival of incoming calls, yet not want calls to be redirected immediately to coverage. For example, an executive may want a secretary to answer calls before they redirect to coverage. The bridging user (the secretary) is not affected by the executive’s activation of Ringer Cutoff. If a primary extension and all other users with bridged appearances of the primary extension activate Ringer Cutoff, an incoming call silently alerts all of the telephones and then redirects to coverage. Interactions nAutomatic Callback If Ringer Cutoff is active, an Automatic Callback call returns to the user’s telephone with the normal 3-burst ring. Redirect notification is Call Type Inactive Active telephone to telephone no ring ping Attendant to telephone no ring ping Internal tie to telephone no ring ping APLT trunk to telephone no ring ping Trunk to telephone no ring ping Priority call to telephone yes yes Intercom call to telephone yes yes Manual signaling yes yes
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1475 Ringing — Abbreviated and Delayed 20 nBridging A bridging user is not affected by a primary extension’s activation of Ringer Cutoff. Nor is the primary extension affected by the bridging user’s activation of Ringer Cutoff. nCall Forwarding All Calls If Ringer Cutoff and Call Forwarding All Calls are active, the user receives redirect notification, if you set Redirection Notification to y for the extension. nDistinctive Ringing Ringer Cutoff turns off only the distinctive ringing of internal and external calls. Intercom ringing, priority ringing, redirect notification, and manual signaling are not turned off. nIntercom If Ringer Cutoff is active, intercom calls still ring the user’s telephone. nManual Signaling If Ringer Cutoff is active, Manual Signaling still rings the user’s telephone. nRingback Queuing If Ringer Cutoff is active, the return call for Ringback Queuing still rings the user’s telephone with a 3-burst alerting signal. nPriority Calling If Ringer Cutoff is active, priority calls still ring at the user’s telephone. nSend All Calls When Ringer Cutoff and Send All Calls are both active, the user receives redirect notification, when Redirection Notification is set to y for that extension. Ringing — Abbreviated and Delayed Ringing — Abbreviated and Delayed allows you to assign one of four ring types to each call appearance on a telephone. Whatever treatment is assigned to a call appearance is automatically assigned to each of its bridged call appearances.
DEFINITY ECS Release 8.2 Administrator’s Guide 555-233-506 Issue 1 April 2000 Features and technical reference 1476 Ringing — Abbreviated and Delayed 20 Detailed description Ring types fall into two categories: nThose that alert consistently and don’t change: — Ringing, in which the lamp flashes and audible ringing occurs — Silent ringing, in which the lamp flashes and audible ringing does not occur nThose that transition from one ringing state to another: — Abbreviated ringing, in which ringing continues for as many cycles as specified by the automatic abbreviated/delayed transition interval and then changes to silent alerting — Delayed ringing, in which visual alerting continues for as many cycles as specified by the automatic abbreviated/delayed transition interval and then changes to ringing For a station with call appearances that have either abbreviated or delayed ringing, an abbreviated-ring button associated with that station’s extension can be assigned on a different station. When one of those call appearances is being alerted, pressing the button forces immediate transition of the alerting — that is, from ringing to silence or from silence to ringing. This feature is most useful in bridging situations in which some users want to be: nAudibly alerted to a call immediately upon its arrival nAudibly notified if the call has not been answered within a specified number of rings or if they have indicated. nAble to stop the audible alerting if the call is not being answered by the principal and the user is not able to answer the call. Because ring type can be specified on a per-station basis, mixing ring-type specifications within a station’s access to a particular extension is possible. For Ringing — Abbreviated and Delayed, each call appearance must be: nAssigned a ring type nAdministered to transition when the: — Abbreviated/delayed transition interval is reached or when the user presses the abbreviated ring button — user presses the abbreviated ring button, regardless of the abbreviated/delayed transition interval