Chapter 1 Functionality
Main Features
Table
Feature | Description | |
|
|
|
Supported protocols | • | H.323 version 4 |
| • SIP RFC 3261 for the Session Initiation Protocol | |
| • | SCCP |
| • H.243 for conference control | |
| • RFC 2833 for | |
| • H.281 for far end camera control (FECC) | |
| • H.235 for | |
| • H.239 for standard simultaneous transmission of live video and | |
|
| presentation sharing feeds. |
| • SDP (RFC 3264, 2327) | |
| • | T.120 |
| • H.320 (when using a gateway) | |
| Note The Cisco Unified Videoconferencing 3515 MCU supports | |
|
| calls from H.323 and SIP endpoints in the same conference. |
|
| Call signalling is handled on all ports regardless of the |
|
| protocol type. |
|
|
|
Audio transcoding codecs | • | G.711 A/µ Law |
| • | G.722 |
| • | G.722.1 |
| • | G.723.1 |
| • | G.728 |
| • G.729 A and B | |
|
| |
Unmatched video quality | The Cisco Unified Videoconferencing 3515 MCU delivers | |
| exceptionally high quality video and audio processing, using the | |
| latest industry standards and leveraging upon advanced | |
| ||
| provides highly improved, | |
| networks with packet loss, assuring best video quality at all times. | |
| The Cisco Unified Videoconferencing 3515 MCU achieves the best | |
| video quality by supporting the following video capabilities: | |
| • High definition and standard definition participants in the same | |
|
| conference. |
| • H.261, H.263 and H.264 in the same conference | |
| • A choice of 26 Continuous Presence layouts | |
| • Up to 4 Mbps on each stream (capacity affected) | |
| • QCIF, CIF and 4CIF in the same conference without affecting | |
|
| capacity |
| • | 720p (capacity affected) |
| • VGA, SVGA, XGA (supported for presentation channel only) | |
|
|
|
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3515 MCU Release 5.6
|
| ||
|
|
