Cisco Systems 3545 PRI Cisco Unified Videoconferencing, PRI Gateway, Serial Gateway, Feature

Chapter 1 Functionality

About Gateway Features

Table 1-2	Cisco Gateway Feature Specifics
Feature		Cisco Unified Videoconferencing	Cisco Unified Videoconferencing
		3545 PRI Gateway	3545 Serial Gateway
Supported ports		2 PRI ISDN ports	4 serial ports
Supported video		H.320, H.323 (using Cisco Stack v4.0)
conferencing protocols
Supported audio codecs		The term audio transcoded video calls refers to the process whereby an
		audio stream in a multimedia call can be transcoded from one codec type to
		another.
		Basic and advanced audio coding supported codecs: G.711, G.722, G.722.1,
		G.723.1, G.728
Audio Transcoding		G.711 (ISDN) < > G.723.1 (IP) for	Transcoding for the 4 supported
		up to 60 voice channels.	multimedia calls.
		G.711 (IP) < > G.728 (ISDN) for up
		to 20 audio transcoded video
		channels.
		The gateway automatically performs
		A-Law G.711-to-µ-Law G.711
		translation between the IP and ISDN
		sides if needed.
		Note When your Cisco unit
		includes both a gateway and
		a MCU, G.728 transcoding is
		supported on the MCU only.
Supported video		H.261, H.263, H.263+ (Annexes F, J and N), H.263++ (Annex W), H.264
protocols
Supported video		VGA, XGA, SVGA, SIF, 4SIF, CIF, QCIF, 4CIF, 16CIF
resolutions
Supported bandwidths		56, 64, 112, 128, 168, 192, 224, 256,	56, 64, 112, 128, 168, 192, 224, 256,
(Kbps)		280, 320, 336, 384, 448, 512, 672,	280, 320, 336, 384, 448, 512, 672,
		768, 1288, 1472, 1680 and 1920	768, 1288, 1472 and 1920
		Note Bandwidth rates of 256 Kbps and up support the G.722 audio codec.

Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6

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