AudioCodes Mediant 800 - CDR Field Description

CHAPTER61 Reporting Information to External Party
Mediant 800 Gateway & E-SBC | User's Manual
CDR Field Description
This section describes the CDR fields that can be generated by the device. Some are generated by
default while others are generated only if you customize the CDR to include them, as described in
Customizing CDRs for Gateway Calls and Customizing CDRs for SBC Calls.
■ For SBC calls, the device generates a signaling CDR and a media CDR:
● Media CDRs: This CDR is published for each active media stream, thereby allowing
multiple media CDRs, where each media CDR has a unique call ID corresponding to the
signaling CDR. There are three different CDR Report Types (CDRReportType), which are
sent to the CDR server at different stages of the SIP dialog session:
◆ "MEDIA_START": CDR is sent upon an INVITE message.
◆ "MEDIA_UPDATE": CDR is sent upon a re-INVITE message (e.g., the established
call is placed on hold by one of the call parties).
◆ "MEDIA_END": CDR is sent upon a BYE message (i.e., call ends)
The CDR Report Types for SBC media and the SIP dialog stages are shown in the
following figure:
Figure 61-1: SBC CDR Report Types for Media
● Signaling CDRs: This CDR contains SIP signaling information. A typical SBC session
consists of two SBC legs. Each leg generates its own signaling CDRs. Each leg
generates three different CDR Report Types (CDRReportType), which are sent to the
CDR server at different stages of the SIP dialog:
◆ "CALL_START": CDR is sent upon an INVITE message.
◆ "CALL_CONNECT": CDR is sent upon a 200 OK response (i.e., call is established).
◆ "CALL_END": CDR is sent upon a BYE message (i.e., call ends)
The CDR Report Types for SBC signaling and the SIP dialog stages are shown in the
following figure:
Figure 61-2: CDR Report Types for SBC Signaling
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