VoIP call recording: architecture and operational checklist

Call recording can capture audio at an endpoint, PBX, SBC, media server, or carrier. The capture point determines which calls are recorded, how encryption is handled, and what happens during transfers or failover.

Questions to answer

• Which calls and legs are recorded?
• How are participants notified where required?
• Who can search, play, export, or delete recordings?
• How are files encrypted in transit and at rest?
• What is the retention and legal hold policy?
• How are transfers, conferences, queue calls, and external legs joined?
• What happens if the recorder is unavailable?

Treat recordings as sensitive business data. Test playback, timestamps, channel separation, search, export, and restoration before relying on the system.

Related: TLS and SRTP, SBCs, and documentation.