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In the Column List:

  • P = Primary key
  • M = Mandatory field
  • F = Foreign key
  • In the Data Type column, varchar/nvarchar means that the data type is varchar except in multi-language databases that use Unicode, in which case the data type is nvarchar.


This table contains chronological information on all of the states of voice or multimedia interactions, according to data received from T-Server or Interaction Server. Whether ICON writes to this table is determined by the setting of one or more configuration options in the [filter-data] section.

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Column List


Column Data Type P M F Description
CHID numeric(16) X X The call history record ID. This is the primary key.
CallID varchar(50) X X The call UUID, as provided by the server.
CSeq int X The call history record sequence number, from the call creation time.
ChangeType int The type of change of call state
  • 1—call_created
  • 2—call_terminated
  • 3—call_merged–Call merge (to another).
  • 4—call_trfailed–Call scenario error.


RefID varchar(50) The reference to the call that is left after the merge operation (transfer or conference) for the call terminated record. This field is null otherwise.
Added datetime X The GMT-equivalent date and time when the record was added. The time is taken from the T-Server event, which triggers the creation of the call history record.
Added_ts int The UTC-equivalent value of the ADDED field.
Added_tcode int A reference, derived from the value of the ADDED_TS field, to a record in the G_TIMECODE table.
GSYS_DOMAIN int Contains the data source session ID (DSS_ID) for the session that was active when the data was processed by ICON. For more information, see the description in System Fields (for DB2Microsoft SQL Server, Oracle, or PostgreSQL, respectively).
GSYS_PARTITION int A key that is used for partitioning.
GSYS_SYS_ID int System ID. Reserved for future use.
GSYS_SEQ bigint Insert Sequence. Not unique.
GSYS_USEQ bigint Update Sequence. Not unique.
GSYS_TS datetime Reserved
GSYS_TC int Reserved
GSYS_EXT_VCH1 varchar(255) Reserved
GSYS_EXT_VCH2 varchar(255) A flag indicating stuck interactions:
  • 0—Indicates that the interaction should not be marked as stuck. ICON records this value upon start of call termination to prevent marking interactions as stuck and to complete the processing of the interaction following the recording of related userdata in IDB.
  • 1—Indicates an interaction that has been determined as stuck.
  • NULL—The value before the processing of interaction termination begins.
GSYS_EXT_INT1 int Defines whether a call or interaction was reported by T-Server or by Interaction Server. It can have either of the following values:
  • NULL—Call was reported by T-Server.

Any other value—Interaction was reported by Interaction Server.

GSYS_EXT_INT2 int Reserved
This page was last edited on January 10, 2020, at 15:27.
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