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Chapter 4 Summary of System Software Features
Cisco CallManager
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Cisco ICS 7750 System Description
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The Cisco ICS 7750 supports “native” Cisco CallManager functionality by using
the feature set that is available on other Cisco CallManager platforms.
You can install Cisco CallManager on any SPE, including the SPE running
System Manager. Cisco CallManager can function as either a publisher or a
subscriber on any SPE.
Cisco CallManager can operate in a cluster with other Cisco CallManager servers
that are installed in the following configurations:
• On another SPE in the same Cisco ICS 7750
• On another SPE in a different Cisco ICS 7750
• On any other server platform supported by Cisco CallManager (such as the
Cisco Media Convergence Server (MCS) product family)
Additional data and voice services, such as voice messaging, multimedia
conferencing, collaborative contact centers, and interactive multimedia response
systems, interact through Cisco CallManager open telephony application program
interface (API). The API supports these applications on the Cisco ICS 7750:
• Cisco Unity Voice Messaging
• IP Integrated Contact Distribution (IP ICD)
• IP Interactive Voice Response (IP IVR)
Cisco CallManager provides signaling and call control services to Cisco
integrated telephony applications as well as third-party applications. It performs
the following primary functions:
• Call processing
• Signaling and device control
• Dial plan administration
• Phone feature administration
• Directory services using Light Directory Access Protocol (LDAP)
• Operations, administration, management, and provisioning (OAM&P)
• Programming interface to external voice-processing applications such as
Cisco SoftPhone, Cisco IP IVR, Cisco Personal Assistant, and
Cisco Attendant Console