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Technical requirements for a video room system to join a Circuit conference

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In order for a video room system to join a Circuit conference, the following requirements must be met at a minimum:

  1. The video room system must support and be configured to use the following for signaling:

    • UDP/ TCP transport protocol for SIP signaling

    • SIP URI scheme

    • DNS SRV record for SIP

    • DTMF tone dialing

  2. The following ports must be open between the video room system and Circuit:

    • TCP Port 5061 for SIP TLS outbound and inbound

    • UDP & TCP Port 5070 for BFCP outbound and inbound

    • UDP Port Range 20000-34999 for Real Time Media Traffic outbound

  3. The Video Session Border Controller must support and be configured to allow only secure connections via TLS and SRTP, using certificates from accredited public certificate authorities (trusted by JAVA).

    The Certificate Chain must include all intermediate certificates, except the Root certficate.

    You can verify it via https://www.ssllabs.com/ssltest/

  4. The Video Session Border Controller must trust the Circuit TLS Certificates, signed by public Root Certificate Authorities.

  5. The video room system must support and be configured to use the following codecs:

    • Video codecs: H.264 AVC

    • Audio codecs: G.711 and G.722

  6. The video room system should support Binary Floor Control Protocol (BFCP) as the content sharing protocol.

  7. The bandwidth requirements on the network are 1024/ 2048 Mbit/s.

Supported network scenarios

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