IP Call Recording for Intrado VIPER 9-1-1

Solution Overview:

NexLog DX-Series communications recording solutions (and original NexLog recorders) provide highly-reliable IP-based voice recording for the Intrado VIPER 9-1-1 system. Recordings are immediately available for instant recall, replay, incident reconstruction and export. The same Eventide recording solution can also record dispatch consoles, P25 radio, conventional radio, telephones and PC screens.


  • Recording of each 9-1-1 position’s IP audio via port mirroring (SPAN).
  • Recording from dual VIPER networks is supported.
  • Audio Format Supported:  G.711 (64kbps).

Metadata Capture Options:

  • Optional 9-1-1 ANI/ALI integration to VIPER Extended CDR interface.
  • Optional VIPER Extended CDR Interface Metadata Integration includes the following metadata:
    • Calling Party (from “NAME” field)
    • Caller ID (from “Initial ALI Request for ANI” field)
    • Trunk ID (from “TRUNK” field)
    • Initial Agent and Initial Agent Role (from “Call Connected By Agent … Role = ….” field)
    • Last_Agent and Last_Role (from “Call Disconnected By Agent … Role = ….” field)
    • Initial Position (from “First POS” field)
    • Last Position (from “Last POS” field)
    • Number of Rebids Intrado_Rebids (from the quantity of rebid blocks received)
    • Unique Call ID Reference (from Incoming Call (ID: … ) field)

Eventide is a member of the Intrado A9-1-1 Alliance.  Hundreds of Eventide’s recording solutions have been successfully deployed with VIPER 9-1-1 systems throughout the USA.

Features and capabilities are subject to change.  Check with Eventide Inc. for current information and availability.