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  1.                                                                        TABLE 1/Q.791
  2.                                                   Monitoring and measurements for Signalling System No. 7
  3.                                                          networks MTP - signalling link performance
  4.                                                              Usage                                                           
  5.            Description of measurements         Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  6.                                                                         measurement                   y a)     
  7.            1.1Duration of Link in the        secs/SL b)   OAM             30 min.         2          Yes        perm.     
  8.            In-Service State                 
  9.            1.2SL Failure-All Reasons          event/SL    M                                         on occur.       2           Yes
  10.            1.3SL Failure-Abnormal -           event/SL    M                                         on occur.       2       
  11.            FIBR/BSNR                        
  12.  
  13.  
  14.  
  15.  
  16.  
  17.  
  18.  
  19.  
  20.  
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  44.  
  45.  
  46.  
  47.  
  48.  
  49.  
  50.  
  51.  
  52.                                                                                                                                   No
  53.                                                                                                                              perm.Q.703, S 
  54.                                                                                                                                 5.3                      
  55.            1.4 SL Failure-Excessive           event/SL    M                                         on occur.       2            No
  56.            delay of ack.                                                                                                       Q.703, S 
  57.                                                                                                                                5.3.1                      
  58.            1.5 SL Failure-Excessive           event/SL    M                                         on occur.       2            No
  59.            error rate                                                                                                          Q.703, S 
  60.                                                                                                                                11.2.2                     
  61.            1.6 SL Failure-Excessive           event/SL    M                                         on occur.       2            No
  62.            duration of congestion           
  63.                                                                                                                                Q.703                      
  64.            1.7SL alignment failure          
  65.                                              events/SL   M                                          30 min.        2            No
  66.                                                                                                                                Q.703, S 
  67.                                                                                                                                 11.3                      
  68.            1.8 Number of Signal Units        events/SL   M                                          30 min.        2           Yes 
  69.            in error c)                       
  70.                                                                                                                             perm.Q.703, S 4                
  71.            1.9 Number of negative ack.       events/SL   M                                          30 min.        2            No
  72.            received                         
  73.            1.10Local Automatic               events/SL    OM                                         30 min.        3       
  74.            changeover                         event/SL                                              on occur.  
  75.  
  76.  
  77.  
  78.  
  79.  
  80.  
  81.  
  82.  
  83.  
  84.  
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  89.  
  90.  
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  103.  
  104.  
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  108.  
  109.  
  110.  
  111.  
  112.  
  113.  
  114.  
  115.  
  116.                                                                                                                     3            No
  117.                                                                                                                                   No
  118.                                                                                                                              Q.704, S 5                   
  119.            1.11Local Automatic                event/SL    OM                                        on occur.       3            No
  120.            changeback                       
  121.                                                                                                                              Q.704, S 6                   
  122.            1.12SL Restoration                 event/SL    M                                         on occur.       3            No
  123.                                                                                                                                Q.703, S 
  124.                                                                                                                                3.2.3                      
  125.                                                                                                                               
  126.                a)   See S 3.1.2 (applies to all tables).
  127.               b)   SL = Signalling Link.
  128.               c)   The interpretation of this count is implementation dependant.
  129.  
  130.                                                                        TABLE 2/Q.791
  131.                                                   Monitoring and measurements for Signalling System No. 7
  132.                                                         networks - MTP signalling link availability
  133.                                                              Usage                                                           
  134.              Description of measurements       Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  135.                                                                         measurement                   y a)     
  136.            2.1 Duration of SL                 secs/SL    OAM             30 min.         3          Yes      perm.        
  137.            unavailability (for any          
  138.            reason)                          
  139.            2.2-2.4  Deleted                                                                                                   
  140.            2.5Duration of SL inhibition       secs/SL    M                                          30 min.        3       
  141.            due to local management          
  142.            actions                          
  143.  
  144.  
  145.  
  146.  
  147.  
  148.  
  149.  
  150.  
  151.  
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  155.  
  156.  
  157.  
  158.  
  159.  
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  175.  
  176.  
  177.  
  178.  
  179.  
  180.  
  181.                                                                                                                                   No
  182.                                                                                                                               Q.704, S 
  183.                                                                                                                                3.2.8                      
  184.            2.6Duration of SL inhibition       secs/SL    M                                          30 min.        3            No
  185.            due to remote management                                                                                            Q.704, S 
  186.            actions                          
  187.                                                                                                                                3.2.8                      
  188.            2.7Duration of SL                  secs/SL    M                                          30 min.        3            No
  189.            unavailability due to link                                                                                          Q.704, S 
  190.            failure                          
  191.                                                                                                                                3.2.2                      
  192.            2.8 Deleted.                                                                                                       
  193.            2.9 Duration of SL                 secs/SL    
  194.            unavailability due to remote     
  195.            processor outage                 
  196.                                                           OM                                         30 min.        3            No
  197.                                                                                                                                Q.704, S 
  198.                                                                                                                                3.2.6                      
  199.            2.10Start of remote                event/SL    OM                                        on occur.       3            No
  200.            processor outage                                                                                                    Q.704, S 
  201.                                                                                                                                3.2.6                      
  202.            2.11Stop of remote                 event/SL    OM                                        on occur.       3            No
  203.            processor outage                                                                                                    Q.704, S 
  204.                                                                                                                                3.2.7                      
  205.            2.12Deleted                                                                              
  206.  
  207.  
  208.  
  209.  
  210.  
  211.  
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  243.  
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  245.  
  246.  
  247.                                                                                                                              
  248.            2.13Local Management              events/SL    OM                                         30 min.        3            No
  249.            Inhibit                           events/SL                                                5 min.        3            No
  250.                                                                                                                                Q.704, S 
  251.                                                                                                                                 10.2                      
  252.            2.14Local Management              events/SL    OM                                         30 min.        3            No
  253.            Uninhibit                         events/SL                                                5 min.        3            No
  254.                                                                                                                                Q.704, S 
  255.                                                                                                                                 10.3                      
  256.            2.15Duration of Local Busy         secs/SL    O               30 min.         2           No                     Q.704, S 
  257.                                                                                                                                   9.3
  258.  
  259.                                                                        TABLE 3/Q.791
  260.                                               Monitoring and measurements for Signalling System No. 7 networks
  261.                                                               MTP signalling link utilization
  262.                                                              Usage                                                           
  263.              Description of measurements       Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  264.                                                                         measurement                   y a)     
  265.            3.1Number of SIF and SIO          octets/SL   OAM             30 min.        3/2         Yes         act.       Q.703, S 
  266.            octets transmitted                                                                                                    2.3.8
  267.            3.2 Octets retransmitted          octets/SL   A                                          30 min.        2            No
  268.                                                                                                                              Q.703, S 5                   
  269.            3.3Number of message signal         MSUs/S     A                                          30 min.   
  270.            units transmitted                
  271.  
  272.  
  273.  
  274.  
  275.  
  276.  
  277.  
  278.  
  279.  
  280.  
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  297.  
  298.  
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  303.  
  304.  
  305.  
  306.  
  307.  
  308.  
  309.  
  310.                                                                                                                    3/2           No
  311.            3.4Number of SIF and SIO          octets/SL   OAM                                        30 min.       3/2          Yes
  312.            octets received                  
  313.                                                                                                                             act.                          
  314.            3.5Number of message signal        MSUs/SL    A                                          30 min.       3/2           No
  315.            units received                   
  316.            3.6SL congestion indications      events/SL    OAM                                        30 min.                      No
  317.                                              events/SL    O                                            5 min.                      No
  318.                                               event/SL                                              on occur.                     No
  319.                                                                                                                                Q.704, S 
  320.                                                                                                                                 3.8                      
  321.            3.7Cumulative duration of SL       secs/SL    OAM                         
  322.            congestion                       
  323.                                                                                                      30 min.        3            No
  324.            3.8Deleted                                                                                                         
  325.            3.9Stop of SL congestion           event/SL    O                                         on occur.       3            No
  326.            3.10MSUs discarded due to          MSUs/SL    O                                          30 min.        3           Yes
  327.            SL congestion                    
  328.                                                                                                                             perm.                         
  329.            3.11Number of congestion          events/SL    OM                          
  330.            events resulting in loss of        event/SL    
  331.            MSUs                             
  332.  
  333.  
  334.  
  335.  
  336.  
  337.  
  338.  
  339.  
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  373.  
  374.                                                                                                     30 min.        3            No
  375.                                                                                                    on occur.       3            No
  376.                                                                                                                               
  377.  
  378.                                                                        TABLE 4/Q.791
  379.                                               Monitoring and measurements for Signalling System No. 7 networks
  380.                                                      MTP signalling link set and route set availability
  381.                                                                Usage                                                          
  382.              Description of measurements        Units      O     A  M    Duration of      Level     Obligator  Act. perm.   References
  383.                                                                           measurement                   y a)     
  384.            4.1Deleted                                                                                                          
  385.            4.2Duration of unavailability     secs/linkset   OM              30 min.         3           No                   
  386.            of signalling linkset                                          
  387.            4.3Start of linkset failure      event/linkset  OM                                        on occur.       3       
  388.  
  389.  
  390.  
  391.  
  392.  
  393.  
  394.  
  395.  
  396.  
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  421.  
  422.  
  423.  
  424.  
  425.  
  426.  
  427.  
  428.  
  429.                                                                                                                                    No
  430.            4.4Stop of linkset failure       event/linkset  OM                                        on occur.       3            No
  431.            4.5Initiation of broadcast       event/linkset  OM                                        on occur.       3            No
  432.            TFP due to failure of measured                                 
  433.            linkset a)                        
  434.                                                                                                                             Q.704, S 13                   
  435.            4.6Initiation of broadcast       event/linkset  OM                                        on occur.       3            No
  436.            TFA for recovery of measured     
  437.            linkset a)                        
  438.                                                                                                                             Q.704, S 13                   
  439.            4.7 - 4.8   Deleted                                                                                    
  440.                                                                                                                                
  441.            4.9Unavailability of route       events/destin  OAM                                        30 min.        3            b)
  442.            set to a given destination of      a-tion(s)                                                                       perm.Q.704, S 
  443.            set of destinations              
  444.                                                                                                                                11.2.1                     
  445.            4.10Duration of                  secs/destinat  OAM                                        30 min.        3            b)
  446.            unavailability in 4.9                ion(s)                                                                         perm.Q.704, S 
  447.                                                                                                                                11.2.2                     
  448.            4.11Start of                     event/destina  OM                                        on occur.       3            No
  449.            unavailability in 4.9               tion(s)                                                                         Q.704, S 
  450.                                                                                                                                11.2.1                     
  451.            4.12Stop of unavailability       
  452.  
  453.  
  454.  
  455.  
  456.  
  457.  
  458.  
  459.  
  460.  
  461.  
  462.  
  463.  
  464.  
  465.  
  466.  
  467.  
  468.  
  469.  
  470.  
  471.  
  472.  
  473.  
  474.  
  475.  
  476.  
  477.  
  478.  
  479.  
  480.  
  481.  
  482.  
  483.  
  484.  
  485.  
  486.  
  487.  
  488.  
  489.  
  490.  
  491.            in 4.9                           event/destina  OM                                        on occur.       3            No
  492.                                                tion(s)                                                                         Q.704, S 
  493.                                                                                                                                11.2.2                     
  494.                                                                                                                                
  495.                a)   These measurements only apply to Signal Transfer Points.
  496.               b)   These measurements are only obligatory in the international network.
  497.                                                                        TABLE 5/Q.791
  498.                                               Monitoring and measurements for Signalling System No. 7 networks
  499.                                                      MTP adjacent signalling point status accessibility
  500.                                                              Usage                                                           
  501.              Description of measurements       Units      O     A  M   Duration of      Level     Obligator   Act. perm.    References
  502.                                                                         measurement                   y a)     
  503.            5.1Adjacent SP inaccessible       event/SP    OM             on occur.        3          Yes        perm.     
  504.                                                           M               30 min.    
  505.                                                                              5 min.   
  506.            5.2Duration of adjacent SP        events/SP   O                                            5 min.       3           Yes
  507.            inaccessible                       secs/SP    O                                          30 min.   
  508.                                                                                                                             perm.                         
  509.            5.3Deleted                                     M                                                                   
  510.  
  511.  
  512.  
  513.  
  514.  
  515.  
  516.  
  517.  
  518.  
  519.  
  520.  
  521.  
  522.  
  523.  
  524.  
  525.  
  526.  
  527.  
  528.  
  529.  
  530.  
  531.  
  532.  
  533.  
  534.  
  535.  
  536.  
  537.  
  538.  
  539.  
  540.  
  541.  
  542.  
  543.  
  544.  
  545.  
  546.  
  547.  
  548.                                                                                                                              
  549.            5.4Stop of adjacent SP             event/SP    OM                                        on occur.       3            No
  550.            inaccessible                     
  551.                                                           A                                          30 min.                     Yes
  552.            5.5MSU discarded due to a          MSUs/SP    OM                                           5 min.                      No
  553.            routing data error a)                                                                                                  perm.
  554.                                                                                                                              perm.Q.795                   
  555.                                                                                                                               
  556.                                                                         
  557.                                                                         
  558.                a)   The number of MSUs discarded can be used to trigger the MTP Route Verification Test (MVRT) described in Recommendation Q.795, S 
  559.           2.3.
  560.  
  561.                                                                        TABLE 6/Q.791
  562.                                               Monitoring and measurements for Signalling System No. 7 networks
  563.                                           MTP signalling link traffic distribution (Signalling route utilization)
  564.                                                              Usage                                                           
  565.              Description of measurements       Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  566.                                                                         measurement                   y a)     
  567.            6.1Number of SIF and SIO          octets/OPC   A               30 min.         3           No                    
  568.            octets received with given OPC   
  569.            6.2Number of SIF and SIO          octets/DPC   A               30 min.         3           No                    
  570.            octets transmitted with given    
  571.            DPC                              
  572.            6.3Number of SIF and SIO          octets/SIO        A                                    30 min.        3       
  573.            octets handled with given SIO    
  574.  
  575.  
  576.  
  577.  
  578.  
  579.  
  580.  
  581.  
  582.  
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  585.  
  586.  
  587.  
  588.  
  589.  
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  598.  
  599.  
  600.  
  601.  
  602.  
  603.  
  604.  
  605.  
  606.  
  607.  
  608.  
  609.  
  610.  
  611.  
  612.                                                                                                                                   No
  613.            6.4Number of SIF and SIO         octets/SIO/       A                                    30 min.        3            No
  614.            octets received with given OPC       OPC      
  615.            and SIO                          
  616.            6.5Number of SIF and SIO         octets/SIO/       A                                    30 min.        3            No
  617.            octets transmitted with given        DPC      
  618.            DPC and SIO                      
  619.            6.6Number of SIF and SIO         octets/SIO/       A                                    30 min.        3            No
  620.            octets handled with given OPC,     OPC/DPC    
  621.            DPC and SIO                      
  622.                                                                                                                               
  623.              Note 1 - Activation of these measurements is recommended on per point code or sets of point codes and/or SIO.
  624.               Note 2 - Some of these measurements may be of interest for accounting purposes.
  625.  
  626.  
  627.  
  628.  
  629.  
  630.  
  631.  
  632.  
  633.  
  634.  
  635.  
  636.  
  637.  
  638.  
  639.  
  640.  
  641.  
  642.  
  643.  
  644.  
  645.  
  646.  
  647.  
  648.  
  649.  
  650.  
  651.  
  652.  
  653.  
  654.  
  655.  
  656.  
  657.  
  658.  
  659.  
  660.  
  661.  
  662.  
  663.  
  664.  
  665.  
  666.  
  667.  
  668.  
  669.  
  670.  
  671.  
  672.  
  673.  
  674.                                                                        TABLE 7/Q.791
  675.                                               Monitoring and measurements for Signalling System No. 7 networks
  676.                                                                       SCCP performance
  677.                                                              Usage                                                           
  678.              Description of measurements       Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  679.                                                                         measurement                   y a)     
  680.            7.1Routing Failure - No             event     O              on occur.       SCCP         Yes         act.       Q.714, S 
  681.            translation for address of           msgs      AM              30 min.        SCCP                     perm.         2.4
  682.            such nature a)                    
  683.            7.2Routing Failure - No             event     O                                         on occur.      SCCP          Yes
  684.            translation for this specific        msgs      AM                                         30 min.       SCCP         act. 
  685.            address a)                                                                                                          perm.Q.714, S 
  686.                                                                                                                                 2.4                      
  687.            7.3Routing Failure - Network        event     O                           
  688.            Failure (Point Code not              msgs      AM            
  689.            available)                       
  690.                                                                                                     on occur.      SCCP          Yes
  691.                                                                                                      30 min.       SCCP          act.
  692.                                                                                                                               perm.Q.714, S 
  693.                                                                                                                                 2.4                      
  694.            7.4Routing Failure - Network        event     O                                         on occur.      SCCP          Yes
  695.            Congestion                           msgs      AM                                         30 min.       SCCP          act.
  696.                                                                                                                               perm.Q.714, S 
  697.                                                                                                                                 2.4                      
  698.            7.5Routing Failure -                event     O                                         on occur.      SCCP          Yes
  699.            Subsystem Failure                    msgs      AM                                         30 min.       SCCP          act.
  700.            (unavailable)                                                                                                      perm.Q.714, S 
  701.                                                                                                                                 2.4                      
  702.            7.6Routing Failure -                event     O                           
  703.            Subsystem Congestion b)               msgs      AM            
  704.  
  705.  
  706.  
  707.  
  708.  
  709.  
  710.  
  711.  
  712.  
  713.  
  714.  
  715.  
  716.  
  717.  
  718.  
  719.  
  720.  
  721.  
  722.  
  723.  
  724.  
  725.  
  726.  
  727.  
  728.  
  729.  
  730.  
  731.  
  732.  
  733.  
  734.  
  735.  
  736.  
  737.  
  738.  
  739.  
  740.  
  741.                                                                                                    on occur.      SCCP          Yes
  742.                                                                                                     30 min.       SCCP          act.
  743.                                                                                                                              perm.Q.714, S 
  744.                                                                                                                                 2.4                      
  745.            7.7Routing Failure -                event     O                                         on occur.      SCCP          Yes
  746.            Unequipped user (Subsystem)          msgs      AM                                         30 min.       SCCP          act.
  747.                                                                                                                               perm.Q.714, S 
  748.                                                                                                                                 2.4                      
  749.            7.8Syntax error detected            event     M                                         on occur.      SCCP          Yes
  750.                                                 msgs      M                                          30 min.       SCCP          act.
  751.                                                                                                                               perm.Q.714, S 
  752.                                                                                                                                 4.3                      
  753.            7.9Routing Failure - Reason         event     O                           
  754.            unknown                              msgs      AM            
  755.                                                                                                     on occur.      SCCP          Yes
  756.                                                                                                      30 min.       SCCP          act.
  757.                                                                                                                               perm.Q.714, S 
  758.                                                                                                                                 2.4                      
  759.                                                                                                                               
  760.                a)   These measurements only required at SCCP nodes with global title translation capabilities.
  761.                 b)   For further study.
  762.  
  763.  
  764.  
  765.  
  766.  
  767.  
  768.  
  769.  
  770.  
  771.  
  772.  
  773.  
  774.  
  775.  
  776.  
  777.  
  778.  
  779.  
  780.  
  781.  
  782.  
  783.  
  784.  
  785.  
  786.  
  787.  
  788.  
  789.  
  790.  
  791.  
  792.  
  793.  
  794.  
  795.  
  796.  
  797.  
  798.  
  799.  
  800.  
  801.  
  802.  
  803.  
  804.  
  805.  
  806.                                                                        TABLE 8/Q.791
  807.                                               Monitoring and measurements for Signalling System No. 7 networks
  808.                                                                   sub-system availability
  809.                                                              Usage                                                           
  810.              Description of measurements       Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  811.                                                                         measurement                   y a)     
  812.            8.1Start of local SCCP              event     O              on occur.       SCCP          No         perm.     
  813.            unavailable failure a)            
  814.            8.2Start of local SCCP              event     O                                         on occur.      SCCP           No
  815.            unavailable - maintenance made   
  816.            busy a)                           
  817.                                                                                                                             perm.                         
  818.            8.3Start of local SCCP              event     O                                         on occur.  
  819.            unavailable - congestion a)       
  820.                                                                                                                     SCCP           No
  821.                                                                                                                             perm.                         
  822.            8.4Stop of local SCCP               event     O                                         on occur.      SCCP           No
  823.            unavailable - (all reasons) a)    
  824.                                                                                                                             perm.                         
  825.            8.5Duration of local SCCP            secs           A                                    30 min.       SCCP           No
  826.            unavailable - (all reasons) a)    
  827.                                                                                                                             perm.                         
  828.            8.6Subsystem out-of-service         event     M                                         on occur.      SCCP           b)
  829.            request granted                                                                                                    perm.Q.714, S 
  830.                                                                                                                               5.3.5.3                     
  831.            8.7Subsystem out-of-service         event     
  832.            request denied                   
  833.  
  834.  
  835.  
  836.  
  837.  
  838.  
  839.  
  840.  
  841.  
  842.  
  843.  
  844.  
  845.  
  846.  
  847.  
  848.  
  849.  
  850.  
  851.  
  852.  
  853.  
  854.  
  855.  
  856.  
  857.  
  858.  
  859.  
  860.  
  861.  
  862.  
  863.  
  864.  
  865.  
  866.  
  867.  
  868.  
  869.  
  870.  
  871.                                                          M                                         on occur.      SCCP           b)
  872.                                                                                                                              perm.Q.714, S 
  873.                                                                                                                               5.3.5.3                     
  874.                                                                                                                               
  875.                a)   These measurements are system architecture dependent.
  876.                 b)   These measurements are obligatory for replicated systems.
  877.  
  878.                                                                        TABLE 9/Q.791
  879.                                               Monitoring and measurements for Signalling System No. 7 networks
  880.                                                                      SCCP - Utilization
  881.  
  882.                                                              Usage                                                           
  883.              Description of measurements       Units     O     A  M    Duration of      Level     Obligator   Act. perm.    References
  884.                                                                         measurement                   y a)     
  885.            9.1UDTS message sent                 msgs      OA              30 min.        SCCP          No         perm.      Q.714, S 
  886.                                                                                                                                   4.2
  887.            9.2UDTS message received             msgs      OA              30 min.        SCCP          No         perm.      Q.714, S 
  888.                                                                                                                                   4.2
  889.            9.3Total messages handled            msgs           A                                    30 min.   
  890.            (from local or remote            
  891.            subsystems)                      
  892.  
  893.  
  894.  
  895.  
  896.  
  897.  
  898.  
  899.  
  900.  
  901.  
  902.  
  903.  
  904.  
  905.  
  906.  
  907.  
  908.  
  909.  
  910.  
  911.  
  912.  
  913.  
  914.  
  915.  
  916.  
  917.  
  918.  
  919.  
  920.  
  921.  
  922.  
  923.  
  924.  
  925.  
  926.  
  927.  
  928.  
  929.                                                                                                                    SCCP           No
  930.                                                                                                                              perm.Q.714, S 
  931.                                                                                                                                 2.3                      
  932.            9.4Total messages intended           msgs           A                                    30 min.       SCCP           No
  933.            for local subsystems                                                                                               perm.Q.714, S 
  934.                                                                                                                                 2.3                      
  935.            9.5Messages requiring global         msgs           A                                    30 min.       SCCP           No
  936.            title translation a)                                                                                                perm.Q.714, S 
  937.                                                                                                                                 2.2                      
  938.            9.6Total messages sent (for       msgs/class        A                                    30 min.       SCCP          Yes
  939.            connectionless only) (by class                                                                                     perm.Q.714, S 
  940.            0, 1)                            
  941.                                                                                                                                1.1.2                      
  942.            9.7Total messages received        msgs/class        A                                    30 min.       SCCP          Yes
  943.            (for connectionless only) (by                                                                                      perm.Q.714, S 
  944.            class 0, 1)                      
  945.                                                                                                                                1.1.2                      
  946.            9.8Messages sent to a backup       msgs/SS         A                                    30 min.       SCCP         Note b)
  947.            subsystem                                                                                                          perm.Q.714, S 
  948.                                                                                                                                5.3.2                      
  949.                                                                                                                               
  950.                a)   This measurement is only required at SCCP nodes with global title translation capabilities.
  951.                 b)   This measurement is obligatory for replicated systems.
  952.  
  953.  
  954.  
  955.  
  956.  
  957.  
  958.  
  959.  
  960.  
  961.  
  962.  
  963.  
  964.  
  965.  
  966.  
  967.  
  968.  
  969.  
  970.  
  971.  
  972.  
  973.  
  974.  
  975.  
  976.  
  977.  
  978.  
  979.  
  980.  
  981.  
  982.  
  983.  
  984.  
  985.  
  986.  
  987.  
  988.  
  989.  
  990.  
  991.  
  992.