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Rijnhard Hessel

Rijnhard Hessel

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Comment: removed v1.1.2 specifics

CDRs are sent after every call, whether or not it was answered/handled. These are used for call accounting both on the providers side as well as in the 3rd party application. As CDRs are critical we make use of a persistent Redis List to send them. A single worker must exist which handles/processes these notifications.

 

Redis

Key

enigma:notifications:campaigns

Type

List ("BLPOP" for FIFO)

Code Block
languagejs
//Notification Example 
brpop enigma:notifications:campaigns
{
    type: "cdr",
    payload: {
        extension    : <ext>,
        number       : <client_number>,
        call_ref     : <internal_call_ref>,
        contact_ref  : <custom_call_ref>,
        dialed_at    : <dialed_at>,
        end_reason   : <disposition>,
        end_code     : <ISDN_termination_code>,
        call_time    : <call_time>,
        hold_time    : <hold_time>,
        call_dir     : <call_dir>,
        recording_url: <recording_url>,
        ref          : <campaign_ref>
    }
}
  • <ext> agent extension/number
  • <client_number> The number that was dialed (from v1.1.2) 
  • <internal_call_ref> Internal dialler call reference (the call_ref used to download recordings)
  • <custom_call_ref> your custom call reference
  • <dialed_at> time the call was placed
  • <disposition> how the call ended
  • <ISDN_termination_code>
  • <call_time> duration of call in seconds
  • <call_dir> whether this was inbound or outbound
  • <recording_url> location where you can fetch recording (via FTP, this is not recommended, and may be removed)
  • <campaign_ref> campaign reference

Values:

Dispositions were remapped from v1.1.2

<ext>The agent extension number
<internal_call_ref>Internal dialler call reference, this is used to disposition the call and download recordings
<custom_call_ref>Your custom call reference specified for this callee (use this for your lookups)
<disposition>

Dispositions: how the call ended

Info
<SIP_termination_code>The SIP termination code
<campaign_ref>Your Campaign reference

Example:

Code Block
languagebash
themeMidnight
# get cdr's for all campaigns
brpop enigma:notifications:campaigns

When will you get a CDR?

You will receive a CDR for each call that the dialer makes, at the end of the call. 

If a callee has multiple numbers, it will try the numbers in order and send a CDR for each number it tried to call, if a call is connected then the callee has been contacted and the rest of the numbers won't be called. 

Key CDR Indicators

ConditionsMeaning
extension is nullCallee hangup in queue (before being connected to an agent)
Warning

Only one integrator can consume CDR's currently. This is a limitation in how a Redis List was designed, and we use a Redis List here to be reliable. Its an unfortunate limitation that will be fixed in the future but requires a lot of planned features to be implemented first and the completion of a fairly large rearchitecting of the application.