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TUCoPS :: Phreaking Caller ID :: ani-ii.txt

ANI-II Digits

Better a bottle in front of me than a frontal lobotomy.



    ANI II DIGITS
    ASSIGNMENTS

   DIGIT PAIR DESCRIPTION

   00         Plain Old Telephone Service (POTS) - non-coin service
              requiring no special treatment

   01         Multiparty line (more than 2) - ANI cannot be provided on
              4 or 8 party lines. The presence of this "01" code will
              cause an Operator Number Identification (ONI) function to
              be performed at the distant location. The ONI feature
              routes the call to a CAMA operator or to an Operator
              Services System (OSS) for determination of the calling
              number.

   02         ANI Failure - the originating switching system indicates
              (by the "02" code), to the receiving office that the
              calling station has not been identified. If the receiving
              switching system routes the call to a CAMA or Operator
              Services System, the calling number may be verbally
              obtained and manually recorded. If manual operator
              identification is not available, the receiving switching
              system (e.g., an interLATA carrier without operator
              capabilities) may reject the call.

   03-05      Unassigned

   06         Station Level Rating - The "06" digit pair is used when
              the customer has subscribed to a class of service in order
              to be provided with real time billing information. For
              example, hotel/motels, served by PBXs, receive detailed
              billing information, including the calling party’s room
              number. When the originating switching system does not
              receive the detailed billing information, e.g., room
              number, this "06" code allows the call to be routed to an
              operator or operator services system to obtain complete
              billing information. The rating and/or billing information
              is then provided to the service subscriber. This code is
              used only when the directory number (DN) is not
              accompanied by an automatic room/account identification.

   07         Special Operator Handling Required - calls generated from
              stations that require further operator or Operator
              Services System screening are accompanied by the "07"
              code. The code is used to route the call to an operator or
              Operator Services System for further screening and to
              determine if the station has a denied-originating class of
              service or special routing/billing procedures. If the call
              is unauthorized, the calling party will be routed to a
              standard intercept message.

   08-09      Unassigned

   10         Not assignable - conflict with 10X test code

   11         Unassigned

   12-19      Not assignable - conflict with international outpulsing
              code
   20         Automatic Identified Outward Dialing (AIOD) - without
              AIOD, the billing number for a PBX is the same as the PBX
              Directory Number (DN). With the AIOD feature, the
              originating line number within the PBX is provided for
              charging purposes. If the AIOD number is available when
              ANI is transmitted, code "00" is sent. If not, the PBX DN
              is sent with ANI code "20". In either case, the AIOD
              number is included in the AMA record.

   21-22      Unassigned

   23         Coin or Non-Coin - on calls using database access, e.g.,
              800, ANI II 23 is used to indicate that the coin/non-coin
              status of the originating line cannot be positively
              distinguished for ANI purposes by the SSP. The ANI II pair
              23 is substituted for the II pairs which would otherwise
              indicate that the non-coin status is known, i.e., 00, or
              when there is ANI failure. ANI II 23 may be substituted
              for a valid 2-digit ANI pair on 0-800 calls. In all other
              cases, ANI II 23 should not be substituted for a valid
              2-digit ANI II pair which is forward to an SSP from an
              EAEO. Some of the situations in which the ANI II 23 may be
              sent:

                   • Calls from non-conforming end offices (CAMA or LAMA
                   types) with combined coin/non-coin trunk groups. •
                   0-800 Calls • Type 1 Cellular Calls • Calls from PBX
                   Trunks • Calls from Centrex Tie Lines

   24         800 Service Call - when an 800 Service database location
              converts an 800 number to a POTS number, it replaces the
              received ANI code with this "24" code before returning the
              POTS number to locations requesting ANI. If the received
              800 number is not converted to a POTS number, the database
              returns the received ANI code along with the received 800
              number. Thus, this "24" code indicates that this is an 800
              Service call since that fact can no longer be recognized
              simply by examining the called address.

   25-26      Unassigned

   27         Code 27 identifies a line connected to a pay station which
              uses network provided coin control signaling. II 27 is
              used to identify this type of pay station line
              irrespective of whether the pay station is provided by a
              LEC or a non-LEC. II 27 is transmitted from the
              originating end office on all calls made from these lines.

   28         Unassigned

   29         Prison/Inmate Service - the ANI II digit pair 29 is used
              to designate lines within a confinement/detention facility
              that are intended for inmate/detainee use and require
              outward call screening and restriction (e.g., 0+ collect
              only service). A confinement/detention facility may be
              defined as including, but not limited to, Federal, State
              and/or Local prisons, juvenile facilities, immigration and
              naturalization confinement/detention facilities, etc.,
              which are under the administration of Federal, State,
              City, County, or other Governmental agencies.
              Prison/Inmate Service lines will be identified by the
              customer requesting such call screening and restriction.
              In those cases where private paystations are located in
              confinement/detention facilities, and the same call
              restrictions applicable to Prison/Inmate Service required,
              the ANI II digit for Prison/Inmate Service will apply if
              the line is identified for Prison/Inmate Service by the
              customer.

   30-32      Intercept - where the capability is provide to route
              intercept calls (either directly or after an announcement
              recycle) to an access tandem with an associated Telco
              Operator Services System, the following ANI codes should
              be used:

                   30 Intercept (blank) - for calls to unassigned
                   directory number (DN)

                   31 Intercept (trouble) - for calls to directory
                   numbers (DN) that have been manually placed in
                   trouble-busy state by Telco personnel

                   32 Intercept (regular) - for calls to recently
                   changed or disconnected numbers

   33         Unassigned

   34         Telco Operator Handled Call - after the Telco Operator
              Services System has handled a call for an IC, it may
              change the standard ANI digits to "34", before outpulsing
              the sequence to the IC, when the Telco performs all call
              handling functions, e.g., billing. The code tells the IC
              that the BOC has performed billing on the call and the IC
              only has to complete the call.

   35-39      Unassigned

   40-49      Unrestricted Use - locally determined by carrier

   50-51      Unassigned

   52         Outward Wide Area Telecommunications Service (OUTWATS) -
              this service allows customers to make calls to a certain
              zone(s) or band(s) on a direct dialed basis for a flat
              monthly charge or for a charge based on accumulated usage.
              OUTWATS lines can dial station-to-station calls directly
              to points within the selected band(s) or zone(s). The LEC
              performs a screening function to determine the correct
              charging and routing for OUTWATS calls based on the
              customer’s class of service and the service area of the
              call party. When these calls are routed to the
              interexchange carrier via a combined WATS-POTS trunk
              group, it is necessary to identify the WATS calls with the
              ANI code "52".

   53-59      Unassigned

   60         TRS - ANI II digit pair 60 indicates that the associated
              call is a TRS call delivered to a transport carrier from a
              TRS Provider and that the call originated from an
              unrestricted line (i.e., a line for which there are no
              billing restrictions). Accordingly, if no request for
              alternate billing is made, the call will be billed to the
              calling line.

   61         Cellular/Wireless PCS (Type 1) - The "61" digit pair is to
              be forwarded to the interexchange carrier by the local
              exchange carrier for traffic originating from a
              cellular/wireless PCS carrier over type 1 trunks. (Note:
              ANI information accompanying digit pair "61" identifies
              only the originating cellular/wireless PCS system, not the
              mobile directory placing the call.

   62         Cellular/Wireless PCS (Type 2) - The "62" digit pair is to
              be forwarded to the interexchange carrier by the
              cellular/wireless PCS carrier when routing traffic over
              type 2 trunks through the local exchange carrier access
              tandem for delivery to the interexchange carrier. (Note:
              ANI information accompanying digit pair "62" identifies
              the mobile directory number placing the call but does not
              necessarily identify the true call point of origin.)

   63         Cellular/Wireless PCS (Roaming) - The "63" digit pair is
              to be forwarded to the interexchange carrier by the
              cellular/wireless PCS subscriber "roaming" in another
              cellular/wireless PCS network, over type 2 trunks through
              the local exchange carrier access tandem for delivery to
              the interexchange carrier. (Note: Use of "63" signifies
              that the "called number" is used only for network routing
              and should not be disclosed to the cellular/wireless PCS
              subscriber. Also, ANI information accompanying digit pair
              "63" identifies the mobile directory number forwarding the
              call but does not necessarily identify the true
              forwarded-call point of origin.)

   64-65      Unassigned

   66         TRS - ANI II digit pair 66 indicates that the associated
              call is a TRS call delivered to a transport carrier from a
              TRS Provider, and that the call originates from a
              hotel/motel. The transport carrier can use this
              indication, along with other information (e.g., whether
              the call was dialed 1+ or 0+) to determine the appropriate
              billing arrangement (i.e., bill to room or alternate
              bill).

   67         TRS - ANI II digit pair 67 indicates that the associated
              call is a TRS call delivered to a transport carrier from a
              TRS Provider and that the call originated from a
              restricted line. Accordingly, sent paid calls should not
              be allowed and additional screening, if available, should
              be performed to determine the specific restrictions and
              type of alternate billing permitted.

   68-69      Unassigned

   70         Code 70 identifies a line connected to a pay station
              (including both coin and coinless stations) which does not
              use network provided coin control signaling. II 70 is used
              to identify this type pay station line irrespective of
              whether the pay station is provided by a LEC or a non-LEC.
              II 70 is transmitted from the originating end office on
              all calls made from these lines.

   71-79      Unassigned

   80-89      Reserved for Future Expansion "to" 3-digit Code

   90-92      Unassigned

   93         Access for private virtual network types of service: the
              ANI code "93" indicates, to the IC, that the originating
              call is a private virtual network type of service call.

   94         Unassigned

   95         Unassigned - conflict with Test Codes 958 and 959

   96-99      Unassigned



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