Cisco CallManager System Guide, Release 3.1(1) - Introduction [Cisco Unified Communications Manager (CallManager)]

Table Of Contents

Introduction

Key Features and Benefits

Where to Find More Information

Introduction

Cisco CallManager serves as the software-based call-processing component of the Cisco IP Telephony Solution for the Enterprise part of Cisco AVVID (Architecture for Voice, Video and Integrated Data). The Cisco Media Convergence Server (MCS) provides a high-availability server platform for Cisco CallManager call processing, services, and applications.

The Cisco CallManager system extends enterprise telephony features and functions to packet telephony network devices such as IP phones, media processing devices, Voice-over-IP (VoIP) gateways, and multimedia applications. Additional data, voice, and video services such as unified messaging, multimedia conferencing, collaborative contact centers, and interactive multimedia response systems interact through Cisco CallManager open telephony application program interface (API).

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

•Operations, administration, management, and provisioning (OAM&P)

•Programming interface to external voice-processing applications such as Cisco SoftPhone, Cisco IP Interactive Voice Response (IP IVR), Cisco Personal Assistant, and Cisco WebAttendant

Key Features and Benefits

The Cisco CallManager system includes a suite of integrated voice applications that perform voice conferencing and manual attendant console functions. This suite of voice applications means no need exists for special-purpose voice-processing hardware. Supplementary and enhanced services such as hold, transfer, forward, conference, multiple line appearances, automatic route selection, speed dial, last-number redial, and other features extend to IP phones and gateways. Because Cisco CallManager is a software application, enhancing its capabilities in production environments only requires upgrading software on the server platform, thereby avoiding expensive hardware upgrade costs.

Distribution of Cisco CallManager and all Cisco IP phones, gateways, and applications across an IP network provides a distributed, virtual telephony network. This architecture improves system availability and scalability. Call admission control ensures that voice quality of service (QoS) is maintained across constricted WAN link and automatically diverts calls to alternate public switched telephone network (PSTN) routes when WAN bandwidth is not available. Cisco Media Convergence Server comes with Cisco CallManager preinstalled.

A web-browsable interface to the configuration database provides the capability for remote device and system configuration. This interface also provides access to HTML-based online help for users and administrators.

Where to Find More Information

Additional Cisco Documentation

•Cisco CallManager Administration Guide

•Cisco IP Telephony Network Design Guide

http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/

	Cisco CallManager System Guide, Release 3.1(1)
	Introduction
Cisco CallManager System Guide, Release 3.1(1) Index Preface Introduction Cisco IP Telephony Overview System Configuration Overview System-Level Configuration Settings Clustering Redundancy Call Admission Control Cisco TFTP Device Support Services Auto-Registration Partitions and Calling Search Spaces Understanding Route Plans Understanding the LDAP Directory Managing User Directory Information Media Resource Management Conference Bridges Transcoders Music On Hold Media Termination Points Catalyst DSP Resources for Transcoding and Conferencing SMDI Voice Mail Integration Cisco Unity Messaging Integration Cisco uOne Voice Messaging Integration Cisco DPA Integration Call Park Call Pickup and Group Call Pickup Cisco IP Phone Services Extension Mobility and Phone Login Features Understanding Cisco WebAttendant Custom Phone Rings Understanding Voice Gateways Cisco IP Phones Computer Telephony Integration Administrative Tools Overview Administrative Accounts and Passwords	Download this chapter Introduction Download the complete book PDF Version of Entire Book (PDF - 5 MB) Feedback Table Of Contents Introduction Key Features and Benefits Where to Find More Information Introduction Cisco CallManager serves as the software-based call-processing component of the Cisco IP Telephony Solution for the Enterprise part of Cisco AVVID (Architecture for Voice, Video and Integrated Data). The Cisco Media Convergence Server (MCS) provides a high-availability server platform for Cisco CallManager call processing, services, and applications. The Cisco CallManager system extends enterprise telephony features and functions to packet telephony network devices such as IP phones, media processing devices, Voice-over-IP (VoIP) gateways, and multimedia applications. Additional data, voice, and video services such as unified messaging, multimedia conferencing, collaborative contact centers, and interactive multimedia response systems interact through Cisco CallManager open telephony application program interface (API). 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 •Operations, administration, management, and provisioning (OAM&P) •Programming interface to external voice-processing applications such as Cisco SoftPhone, Cisco IP Interactive Voice Response (IP IVR), Cisco Personal Assistant, and Cisco WebAttendant Key Features and Benefits The Cisco CallManager system includes a suite of integrated voice applications that perform voice conferencing and manual attendant console functions. This suite of voice applications means no need exists for special-purpose voice-processing hardware. Supplementary and enhanced services such as hold, transfer, forward, conference, multiple line appearances, automatic route selection, speed dial, last-number redial, and other features extend to IP phones and gateways. Because Cisco CallManager is a software application, enhancing its capabilities in production environments only requires upgrading software on the server platform, thereby avoiding expensive hardware upgrade costs. Distribution of Cisco CallManager and all Cisco IP phones, gateways, and applications across an IP network provides a distributed, virtual telephony network. This architecture improves system availability and scalability. Call admission control ensures that voice quality of service (QoS) is maintained across constricted WAN link and automatically diverts calls to alternate public switched telephone network (PSTN) routes when WAN bandwidth is not available. Cisco Media Convergence Server comes with Cisco CallManager preinstalled. A web-browsable interface to the configuration database provides the capability for remote device and system configuration. This interface also provides access to HTML-based online help for users and administrators. Where to Find More Information Additional Cisco Documentation •Cisco CallManager Administration Guide •Cisco IP Telephony Network Design Guide http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/
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