Datasheet
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SYSTEM CAPABILITIES SUMMARY
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Attenuation and gain adjustment per device (phone and gateway)
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Automated bandwidth selection
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Auto route selection (ARS)
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AXL Simple Object Access Protocol (SOAP) API with performance and real-time information
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Basic Rate Interface (BRI) endpoint support; registers BRI endpoints as SCCP devices
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CAC—intercluster and intracluster
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Call coverage
Forwarding based on internal/external calls
Forwarding out of a coverage path
Timer for maximum time in coverage path
Time of day
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Call display restrictions
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Call forward—Busy
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Call forward—No answer
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Call forward internal or external
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*Call forward on nonregistered
Codec support for automated bandwidth selection G.711 (mu-law and a-law), G.723.1, G.729A/B, GSM-EFR, GSM-FR,
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 7500 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)