Cisco 3545 PRI Installation And Upgrade Manual page 10

About Gateway Features
Table 1-2
Feature
Supported ports
Supported video
conferencing protocols
Supported audio codecs The term audio transcoded video calls refers to the process whereby an
Audio Transcoding
Supported video
protocols
Supported video
resolutions
Supported bandwidths
(Kbps)
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Releases 5.6 and 5.7
1-4
Cisco Gateway Feature Specifics
Cisco Unified Videoconferencing
3545 PRI Gateway
2 PRI ISDN ports
H.320, H.323 (using Cisco Stack v4.0)
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
G.711 (ISDN) < > G.723.1 (IP) for
up to 60 voice channels.
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.
When your Cisco unit
Note
includes both a gateway and
a MCU, G.728 transcoding is
supported on the MCU only.
H.261, H.263, H.263+ (Annexes F, J and N), H.263++ (Annex W), H.264
VGA, XGA, SVGA, SIF, 4SIF, CIF, QCIF, 4CIF, 16CIF
56, 64, 112, 128, 168, 192, 224, 256,
280, 320, 336, 384, 448, 512, 672,
768, 1288, 1472, 1680 and 1920
Bandwidth rates of 256 Kbps and up support the G.722 audio codec.
Note
Chapter 1 Functionality
Cisco Unified Videoconferencing
3545 Serial Gateway
4 serial ports
Transcoding for the 4 supported
multimedia calls.
56, 64, 112, 128, 168, 192, 224, 256,
280, 320, 336, 384, 448, 512, 672,
768, 1288, 1472 and 1920
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