Audio and Video Specifications

Feature Description
Supported protocols · H.323

· SIP

· WebRTC

· RTMP

· Microsoft Skype for Business / Lync

· ISDN

· Individual protocols can be administratively enabled and disabled.

Audio codecs · G.711(a/µ)

· G.719 (this product is covered by patent rights licensed from Telefonaktiebolaget LM Ericsson)

· G.722

· G.722.1, G.722.1 Annex C (licensed from Polycom®)

· Siren7™, Siren14™ (licensed from Polycom®)

· G.729, G.729A, G.729B

· Opus

· MPEG-4 AAC-LD (MPEG-4 video technology licensed by Fraunhofer IIS)

· Speex

· AAC-LC

Video codecs · H.261

· H.263, H.263++

· H.264 (Constrained Baseline Profile, Baseline Profile and High Profile), H.264 SVC (UCIF Profiles 0, 1)

· VP8

· Flash video (for Internet Explorer and Safari versions 6-10 browser support)

· RTVideo (licensed from Microsoft®).

Content sharing · H.239 (for H.323)

· BFCP (for SIP)

· VbSS (for Microsoft Teams and Skype for Business)

· RDP (for Microsoft Skype for Business / Lync)

· PSOM (for presenting PowerPoint files from Microsoft Skype for Business / Lync clients)

· VP8 (for WebRTC high frame-rate)

· JPEG (for apps and web).

Bandwidth · Connections from 8 kbps per participant (G.729, audio-only), up to 6 Mbps per participant (will vary depending on the deployment environment, video resolutions, etc).
Other audio and video features · Video resolutions from QCIF to HD 720p (1280 x 720); 4:3 and 16:9 aspect ratios.

· Content resolutions up to 1920 x 1200 (depending on remote side capabilities)

· Frame rates up to 30 fps.

· Customizable video watermarking.

· Pexip StudioSound™ for recording-studio audio quality.

· Wideband audio mixing.

· Automatic gain control.

· Control individual audio via VC Connect clients.

· Support for AES (128-bit key size), DTLS SRTP, and H.235 for H.323 media encryption.