Glossary
1080p See Full HD on page 87.
2CIF 2CIF describes a video resolution of 704 x 288 pixels (PAL) or 704 x 240
(NTSC). It is double the width of CIF, and is often found in CCTV products.
2SIF 2SIF describes a video resolution of 704 x 240 pixels (NTSC) or 704 x 288
(PAL). This is often adopted in IP security cameras.
4CIF 4CIF describes a video resolution of 704 x 576 pixels (PAL) or 704 x 480
(NTSC). It is four times the resolution of CIF and is most widespread as the
standard analog TV resolution.
4SIF 4SIF describes a video resolution of 704 x 480 pixels (NTSC) or 704 x 576
(PAL). This is often adopted in IP security cameras.
720p See HD on page 89.
AAC AAC is an audio codec which compresses sound but with better results
than MP3.
AGC (Automatic Gain
Control)
Automatic Gain Control (AGC) smooths audio signals through
normalization, by lowering sounds which are too strong and strengthening
sounds which are too weak. This is relevant with microphones situated at
some distance from the speaker, like room systems. The result is a more
consistent audio signal within the required range of volume.
Alias
An alias in H.323 represents the unique name of an endpoint. Instead of
dialing an IP address to reach an endpoint, you can dial an alias, and the
gatekeeper resolves it to an IP address.
Auto-Attendant Auto-Attendant is a video-based IVR which provides quick access to
meetings through a set of visual menus. Participants can select the DTMF
tone-based menu options using the standard numeric keypads of
endpoints. Auto-Attendant works with H.323 and SIP endpoints.
Avaya Equinox
Streaming and
Recording Manager
The Avaya Equinox Streaming and Recording Manager provides a web-
based interface to configure and manage Equinox Streaming and
Recording Server software, devices, services, and users. The Equinox
Streaming and Recording Server Manager application resides on a single
August 2017 Installing the Avaya Equinox Streaming and Recording Server 83
Comments on this document? infodev@avaya.com
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