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Cisco Expressway technology
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STUN discovery and STUN relay services
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Firewall traversal STUN-compliant
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H.460.18/19-compliant
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H.460.18 client-proxy support
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Support for H.460.19 multiplexed media
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SIP support
Remote collaboration
services supported
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Extensible Messaging and Presence Protocol (XMPP) for instant messaging
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HTTPS for logon, provisioning and configuration, contact search, and visual voicemail services
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SIP for session establishment, register, and invite using Cisco Business Edition and Cisco Unified
Communications Manager Real-Time Transfer Protocol (RTP) and Secure RTP (SRTP) for audio and video
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Binary Floor Control Protocol (BFCP) for content sharing
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Support for Domain Name System (DNS) addressing
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Support for IPv4 and IPv6 simultaneously
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Support for IPv4 and IPv6 translation services
Product Specifications for Virtualized Environments
Cisco VCS Control and Expressway can be deployed virtually or as an appliance. Table 3 lists the virtualized
application specifications.
Table 3. Cisco VCS Control Virtualized Application Specifications
Virtualized Application Specifications
Servers for virtual
environment
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Cisco UCS B- or C-Series Servers or third-party servers that meet the minimum requirements
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VMware vSphere or vCenter server running ESXi, which includes Cisco UCS E-Series Servers on the
Cisco Integrated Services Routers (ISRs)
For full details about host requirements, refer to the Cisco TelePresence VCS Virtual Machine deployment
guide.
Virtual-Machine host
requirements
Medium Deployment
(Typical Installation)
Large Deployment
(For Performance and Scalability)
Network interface card (NIC)
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