This section displays all the details of Call Interval Statistics.
On SBC main screen, go to Monitoring > Trunks and Subscribers > Sessions > Call Interval Statistics. The Call Interval Statistics window is displayed.
Call Interval Statistics
By default only ten entries are displayed in a view. You can choose the number of entries to be displayed under the Show entries drop down box. Click 
to expand the window to display more fields.
The Call Interval Statistics can be checked for each Address Context or for each Zone or for all the Address Contexts and Zones created. Use the drop-down box to select the desired Address Contexts and Zones.
Fields - Call Interval Statistics
The following fields are displayed:
Call Interval Statistics Parameters
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Number | Specifies the sequence number which identifies the interval for which the set of statistics is required. |
Name | Specifies the name of the Call Interval Statistics. |
Interval Valid | A setting of 'true' indicates the interval contains valid data during the time interval. Each interval is for a configurable fixed time (default interval is 15 minutes) starting on the hour. For example, if the system starts at 12:05, the first interval at 12:15 will not be valid because it is less than the 15-minute interval. Subsequent intervals will be valid upon meeting the 15-minute time interval. System switch-overs also cause invalid intervals because data is lost during the interval.
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Time | System up time when interval statistics is collected |
In Usage | Usage in the inbound direction for this trunk group in seconds in the current interval. The trunk group usage is defined as the time a trunk is seized to the time a trunk is released. |
Out Usage | Specifies the usage in the outbound direction for this trunk group in seconds in the current interval. The trunk group usage is defined as the time a trunk is seized to the time a trunk is released. |
In Calls | Number of completed inbound calls on this trunk group for the specified interval. |
Out Calls | Number of completed outbound calls on this trunk group for the specified interval. |
In Call Attempts | Number of inbound call attempts on this trunk group for the specified interval. |
Out Call Attempts | Number of outbound call attempts on this trunk group for the specified interval. |
Max Active Calls | The current high water mark of the total number of active calls in both inbound and outbound directions on the trunk group. This statistic applies to calls that are setting up, stable or tearing down. When a switch-over occurs from SBC-A to SBC-B in an HA scenario, the number of stable calls that were transferred from SBC-A to SBC-B equals the initial value of "maxActiveCalls" (immediately after the switch-over). Subsequent values are calculated and recorded accordingly. |
Call Setup Time | Total call setup time for all completed calls in inbound and outbound directions for this trunk group for specified interval measured in hundredths of a second. |
Call Setups | Total number of calls setup but not necessarily completed in the inbound and outbound directions for this trunk group for the specified interval. |
Routing Attempts | Number of routing attempts for this trunk group for the specified interval. |
In Bw Usage | Sum of bandwidth usage (expected data rate in Kbits per second multiplied by call duration in seconds) for every inbound call associated with this trunk group for the specified interval. |
Out Bw Usage | Specifies the usage (expected data rate in Kbits per second multiplied by call duration in seconds) in the outbound direction for this trunk group in seconds in the current interval. The trunk group usage is defined as the time a trunk is seized to the time a trunk is released. |
Max Active Bw Usage | High water mark bandwidth usage (in Kbits per second) in either direction associated with this trunk group for the specified interval. |
Calls With Pkt Outage | Number of calls with a maximum packet outage whose duration exceeds the configured minimum for this trunk group for the specified interval. |
Calls With Pkt Outage At End | Number of calls whose maximum packet outage occurs at the end of the call for this trunk group for the specified interval. |
Total Pkt Outage | Summation of packet outage durations (in milliseconds) whose duration exceeds the configured minimum which is reported during the specified performance interval. |
Max Pkt Outage | Single longest maximum reported packet outage duration (in milliseconds) experienced during the specified performance interval for this trunk group. |
Pod Events | Number of Packet Outage Detection (POD) Events detected for this peer group for the specified interval. |
Playout Buffer Good | Number of calls with all sub-intervals reporting GOOD playout buffer quality for this trunk group for the specified interval. |
Playout Buffer Poor | Number of calls with all sub-intervals reporting POOR or better playout buffer quality for this trunk group for the specified interval. |
Playout Buffer Unaccepted | Number of calls with at least one sub-interval reporting UNACCEPTABLE playout buffer quality for this trunk group for the specified interval. |
Sip Reg Attempts | Current number of SIP registration attempts on a trunk group for the specified interval. |
Sip Reg Completions | Current number of SIP registrations that have successfully completed on a trunk group for the specified interval. |
Calls With Psx Dips | Number of calls that made a PSX Dip during the interval. |
Total Psx Dips | The number of ERE Dips in the interval. |
Active Regs | Interval number of active registrations on this trunk group. |
Max Active Regs | Maximum active registrations on this trunk group (high-watermark achieved on this trunk group) |
Active Subs | Current number of active subscriptions on this trunk group. |
Max Active Subs | Maximum active subscriptions on this trunk group (high-watermark achieved on this trunk group). |
Peak Call Rate | The peak call arrival rate on a trunk group level within a specified interval. |
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