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Key Features and Benefits
The Cisco Unified Videoconferencing 3515 MCU offers important features and benefits for
videoconference users—and for your organization.
Multiprotocol Support that Enables Broad Video Interoperability
Cisco Unified Videoconferencing systems support multiple video and audio compression
standards, codecs, and protocols, including H.323, Session Initiation Protocol (SIP), Skinny Call
Control Protocol (SCCP), and H.320, to ensure broad connectivity with traditional and emerging
video environments. This degree of support provides flexibility that enables Cisco Unified
Videoconferencing solutions to interoperate with traditional room and desktop video conferencing
systems, newer high-definition video solutions, and Cisco Unified Communications Manager video
telephony environments. Providing a single video infrastructure solution for a broad range of
endpoints and access methods improves usability for users and simplifies management, enabling
effective video communications and a lower total cost of ownership.
High-performance, Flexible Solution that Delivers an Optimized Experience for All Users
The Cisco Unified Videoconferencing 3515 MCU is designed using an encoder-per-port hardware
architecture, which provides dedicated resources for every endpoint connected to a conference.
This architecture allows the product to support a wide range of video and audio compression
standards, codecs, continuous-presence features, and video resolutions at high performance
levels and in any combination, without adversely affecting the capacity of the product.
High-quality standard definition (SD) video conferencing—Because every port has
dedicated audio and video encoders, any SD endpoint can connect to any conference, at
any supported bit rate, with any supported audio or video codec, at any supported SD
resolution, and with any screen layout. The Cisco Unified Videoconferencing 3515 MCU
automatically implements audio and video transcoding and connection speed transrating
capabilities that allow each SD endpoint to use its preferred codec and connection speed
and still connect to conferences with endpoints using different codecs and connection
speeds. This approach helps ensure an optimal video and audio experience for each
participant without sacrificing scalability or performance. The encoder-per-port hardware
architecture also significantly reduces planning, provisioning, and scheduling requirements
by eliminating the need to define or limit the bit rates, video formats, and conference
features that video conferencing endpoints and conference participants can use.
High-capacity personal video conferencing—The Cisco Unified Videoconferencing 3515
MCU now has unmatched flexibility to distribute processing resources that are not being
fully used by personal or desktop video conferencing endpoints that do not require high
connection rates. If the available bandwidth is not fully used, the number of available ports
automatically increases, providing a reduced cost per port. This new MCU service can run
concurrently with the high-quality SD service and adds powerful flexibility that makes the
Cisco Unified Videoconferencing 3515 MCU an even more cost-effective choice for desktop
video and videotelephony deployments.
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