Cisco 2911

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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Unified Communications on Cisco Integrated
Services Routers
The following sections describe Unified Communications (UC) application services that are supported
on Cisco 3900 series and Cisco 2900 series integrated services routers (ISRs).
• Modules and Interface Cards, page 170
• Call Control, page 170
– Cisco Unified Communications Manager Express, page 170
– Unified Survivable Remote Site Telephony, page 171
– Cisco Unified SIP Proxy (CUSP), page 172
– Gatekeeper, page 172
• Call Control Protocols, page 172
– Trunk-side Protocols, page 172
– Line-side Protocols, page 173
• Unified Communications Gateways, page 174
– TDM Gateways, page 175
– Cisco Unified Border Element, page 176
– Unified Messaging Gateway, page 176
• IP Media Services, page 177
– Conferencing, Transcoding and Media Termination Point (MTP), page 177
– RSVP Agent, page 177
– Trusted Relay Point (TRP), page 177
– Packet Voice Data Module, page 178
• Voice Security, page 178
– UC Trusted Firewall, page 178
– Signaling and Media Authentication and Encryption, page 179
– Virtual Route Forward, page 179
• Applications and Application Interfaces (APIs), page 179
– Cisco Unity Express, page 180
– Voice XML, page 180