Datasheet

Data Sheet
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Call forward on non-registered device
Codec support for automated bandwidth selection G.711 (mu-law and a-law), G.723.1,
G.729A/B, GSM-EFR, GSM-FR, and wideband audio (proprietary 16-bit resolution and
16-kHz sampled audio)
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Device mobility—Automatic upgrade of location-specific information when a phone moves
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Digit analysis and call treatment (digit string insertion, deletion, stripping, dial access
codes, and digit string translation)
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Distributed call processing
Deployment of devices and applications across an IP network
“Clusters” of Cisco Unified CallManager servers for scalability, redundancy, and load
balancing
Maximum of 7,500 IP phones per Cisco Unified CallManager server (configuration-
dependent)
Maximum of 50,000 busy-hour call completions (BHCCs) per Cisco Unified CallManager
server (configuration-dependent)
Eight Cisco Unified CallManager servers per cluster
Maximum of 125,000 BHCCs per Cisco Unified CallManager cluster (configuration-
dependent)
Maximum of 30,000 IP phones per cluster (configuration-dependent)
Intercluster scalability to more than 100 sites or clusters through H.323 gatekeeper
Intracluster feature transparency
Intracluster management transparency
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Fax over IP-G.711 pass-through and Cisco Fax Relay
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Forced authorization codes and client matter codes (account codes)
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H.323 interface to selected devices
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H.323 FastStart (inbound and outbound)
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Hotline and private line automated ringdown (PLAR)
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Hunt groups—Broadcast, circular, longest idle, and linear
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Interface to H.323 gatekeeper for scalability, CAC, and redundancy
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Language support for client-user interfaces (languages specified separately)
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Multilevel precedence and preemption (MLPP)
Primary Rate Interface (PRI) 4ESS user-to-user information element (UUIE) support
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Interworking and tunneling of PRI 4ESS UUIE-based MLPP over an intercluster trunk (ICT)
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Differentiated services code point (DSCP)-to-MLPP precedence-level mapping
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Multilocation—Dial-plan partition
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Multiple ISDN protocol support
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Multiple remote Cisco Unified CallManager platform administration and debug utilities
Prepackaged alerts, monitor views, and historical reports with RTMT
Real-time and historical application performance monitoring through operating system
tools and Simple Network Management Protocol (SNMP)
Monitored data-collection service