CDR
In PortSIP PBX, Call History and Call Detail Records (CDRs) represent the same underlying call information, but they differ in data source, availability, and performance.
Call History
Starting with v22.3.0, PortSIP PBX introduced the Data Flow service, which is built on ClickHouse for high-performance analytics and reporting.
Call History data is queried from the Data Flow service.
It provides significantly higher query performance and scalability, especially for large datasets.
Call History is available only when the Data Flow service is installed and running.
This design enables fast, real-time analytics and efficient querying for dashboards, reports, and wallboards.
CDR (Call Detail Record)
If the Data Flow service is not installed, Call History is unavailable. However, you can still access CDRs.
CDR data is queried directly from the PostgreSQL database.
CDRs provide the same fundamental call information but are intended primarily for record-keeping, integrations, and historical lookup, rather than high-performance analytics.
What Information Does a CDR Contain?
A Call Detail Record (CDR) includes detailed information about a call, such as:
Call origination (caller)
Call destination (callee)
Date and time the call started
Time the call was answered (connected)
Time the call ended
A call is considered:
Started (originated) when the caller goes off-hook
Ended when either the caller or the called party goes on-hook
CDR Service and Real-Time Delivery
PortSIP PBX includes a built-in CDR service that generates complete, real-time records for all calls.
When a call is completed:
This allows seamless integration with billing systems, CRM platforms, analytics services, and compliance tools.
CDR Management
After signing in as a Tenant Administrator, navigate to:
Call Statistics > CDR
All Call Detail Records (CDRs) are displayed in the list. If call recording is enabled, you can play back or download the associated recording files directly from this page.
Viewing CDR Details
Double-click a CDR entry to view detailed call information.
For example, consider the following call flow:
Caller A calls B
The call is transferred to a Virtual Receptionist (IVR)
The caller enters DTMF input
The call is routed to a queue
One of the queue agents answers the call
All stages of the call are recorded and displayed within a single CDR.
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