Chapter 1 Functionality
About Gateway Features
Table | Cisco Gateway Feature Specifics |
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Feature |
| Cisco Unified Videoconferencing | Cisco Unified Videoconferencing |
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| 3545 PRI Gateway | 3545 Serial Gateway |
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Supported ports |
| 2 PRI ISDN ports | 4 serial ports |
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Supported video | H.320, H.323 (using Cisco Stack v4.0) | ||
conferencing protocols |
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Supported audio codecs | The term audio transcoded video calls refers to the process whereby an | ||
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| audio stream in a multimedia call can be transcoded from one codec type to | |
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| Basic and advanced audio coding supported codecs: G.711, G.722, G.722.1, | |
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| G.723.1, G.728 |
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Audio Transcoding | G.711 (ISDN) < > G.723.1 (IP) for | Transcoding for the 4 supported | |
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| up to 60 voice channels. | multimedia calls. |
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| G.711 (IP) < > G.728 (ISDN) for up |
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| to 20 audio transcoded video |
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| channels. |
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| The gateway automatically performs |
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| translation between the IP and ISDN |
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| sides if needed. |
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| Note When your Cisco unit |
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| includes both a gateway and |
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| a MCU, G.728 transcoding is |
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| supported on the MCU only. |
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Supported video | H.261, H.263, H.263+ (Annexes F, J and N), H.263++ (Annex W), H.264 | ||
protocols |
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Supported video | VGA, XGA, SVGA, SIF, 4SIF, CIF, QCIF, 4CIF, 16CIF | ||
resolutions |
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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, |
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| 768, 1288, 1472, 1680 and 1920 | 768, 1288, 1472 and 1920 |
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| Note Bandwidth rates of 256 Kbps and up support the G.722 audio codec. | |
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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6
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