PC-Corsac®
telephone and radio call recording systems

VoIP recording

PCCorsacSQL systems can also record telephone calls made via TCP/IP networks, for example in the Internet.

PCCorsacSQL-IP recorders have been designed to record telephone calls, using a computer network as a transmission path. The recorder scans IP (Internet Protocol) packages in Ethernet, automatically identifies devices used to make telephone calls and records the telephone call process.

Recorded telephone calls are saved in the PCCorsacSQL database, located on the recorder station or on another computer connected to the network. The database can comprise both calls recorded by the VoIP recorder and by the PCCorsacSQL telephone call recorder used for analogue and digital lines in traditional telecommunication systems.

In the database, all information on telephone calls is recorded, including:

  • extension number assigned to a device
  • IP address and MAC of a device
  • caller's number
  • IP address and MAC of a caller
  • direction
  • waiting time for connection
  • commencing time
  • duration

Additionally, when a telephone call is recorded, the system simultaneously records information on the protocol used for calling.

The system also records calls interrupted by consultation, caller switching and conferences. It also allows to record calls that have not been received or put through, providing the reason for the lack of connection (e.g. busy number, not received, etc.)

Calls can be viewed and played back concurrently on any number of computers connected to the network. Besides, PCCorsacSQL-IP can be used to analyse and record other, non-telecommunication network protocols such as Telnet.

Telephone devices include:

  • telephone programmes installed in PCs (SoftPhone)
  • traditional telephones connected to Ethernet via VoIP gates
  • system telephones used for calls via Ethernet

The following telecommunication protocols can be recognised:

  • IAX
  • SIP
  • H.323
  • Cisco
  • system IPs specific for some switch-boards such as Siemens or Alcatel
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