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Features of Cisco VCS Control follow:
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SIP registrar, SIP proxy server, presence server, and presence user agent: The Cisco VCS supports the
SIP protocol, acting as a SIP registrar, storing the Address of Record of registered endpoints, and
forwarding SIP requests as a SIP proxy server. The Cisco VCS supports the SIP for Instant Messaging and
Presence Leveraging Extensions (SIMPLE) protocol, and can act as a presence server and presence user
agent.
●
H.323 Gatekeeper: The Cisco VCS provides H.323 Gatekeeper functions. It accepts registrations from
H.323 endpoints and provides call-control functions such as address translation and admission control.
●
Interoperability and Interworking: The Cisco VCS provides interoperability between SIP and H.323
standards-compliant endpoints and supports communication with IBM Lotus Sametime and Microsoft Lync
environments including Microsoft Lync 2013 (H.264 SVC) clients.
●
Zone and bandwidth management: The Cisco VCS supports management of the allocation of bandwidth
between sites, endpoints, and groups of endpoints. You can specify the amount of bandwidth available for
intra- and interzone calls, allowing you to control the way in which bandwidth is used and calls are
prioritized. Features of the Cisco VCS bandwidth management capability include the following:
◦
Flexible, customizable zone configuration with named zone and default zone
◦
Bandwidth management on both a per-call and a total-usage basis, configurable separately for calls
within local subzones and to neighboring systems and zones
◦
Automatic down-speeding option for calls that exceed the available bandwidth
◦
Preconfigured defaults for:
◦
Cisco Unified CM neighbor zones
◦
Cisco TelePresence Advanced Media Gateway
◦
Microsoft Lync neighbor zones
◦
Nortel Communication Server neighbor zones
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Dial-plan and call-routing control: The Cisco VCS allows administrators to create dial plans to define the
way in which calls are handled within the network. Transforms can be applied to source and destination
address information to define general routing rules. Dial plans can be based on call aspects such as:
◦
Source or destination address, zone, or subzone configuration
◦
Call policy for authenticated or nonauthenticated endpoints
◦
FindMe configuration
●
Authentication: You can configure the Cisco VCS to allow both authenticated and unauthenticated
endpoints to register to the same VCS, and to subsequently control the operation of those endpoints based
on their authentication status. The Cisco VCS supports:
◦
H.235 authentication
◦
SIP digest authentication
◦
Windows NT LAN Manager (NTLM) authentication
◦
Control over which endpoints are allowed to register through allow and deny lists
◦
Microsoft Active Directory (AD) integration for Cisco Jabber Video
™
for TelePresence (Movi
™
) users
◦
Administrator authentication through Active Directory
◦
Integration with Lightweight Directory Access Protocol (LDAP)-accessible H.350 directories
