This chapter covers the following topics:
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Many businesses have sales or service support departments that service inbound calls from customers. These businesses typically need several phone lines and a method to make the lines work together. If one representative is busy or not available, calls will be routed to other members of the group until it is answered or forwarded to an auto-attendant or voice mail. Hunt groups are the mechanisms that help these businesses manage inbound calls. A hunt group is a group of telephone lines that are associated with a common number. When a call comes in to the number associated with the hunt group, the call cycles through the group of lines until an available line is found. This process is known as hunting.
This chapter discusses how to configure hunt groups and enable the Call Coverage feature to ensure that the calling party will receive final forwarding treatment if hunting fails (that is, when no hunt party answers, either because the hunt has exhausted the list of hunt numbers or because it has timed out).
Part I: Cisco CallManager Fundamentals
Introduction to Cisco Unified Communications and Cisco Unified CallManager
Cisco Unified CallManager Clustering and Deployment Options
Cisco Unified CallManager Installation and Upgrades
Part II: IPT Devices and Users
Cisco IP Phones and Other User Devices
Configuring Cisco Unified CallManager to Support IP Phones
Cisco IP Telephony Users
Cisco Bulk Administration Tool
Part III: IPT Network Integration and Route Plan
Cisco Catalyst Switches
Configuring Cisco Gateways and Trunks
Cisco Unified CallManager Route Plan Basics
Cisco Unified CallManager Advanced Route Plans
Configuring Hunt Groups and Call Coverage
Implementing Telephony Call Restrictions and Control
Implementing Multiple-Site Deployments
Part IV: VoIP Features
Media Resources
Configuring User Features, Part 1
Configuring User Features, Part 2
Configuring Cisco Unified CallManager Attendant Console
Configuring Cisco IP Manager Assistant
Part V: IPT Security
Securing the Windows Operating System
Securing Cisco Unified CallManager Administration
Preventing Toll Fraud
Hardening the IP Phone
Understanding Cryptographic Fundamentals
Understanding the Public Key Infrastructure
Understanding Cisco IP Telephony Authentication and Encryption Fundamentals
Configuring Cisco IP Telephony Authentication and Encryption
Part VI: IP Video
Introducing IP Video Telephony
Configuring Cisco VT Advantage
Part VII: IPT Management
Introducing Database Tools and Cisco Unified CallManager Serviceability
Monitoring Performance
Configuring Alarms and Traces
Configuring CAR
Using Additional Management and Monitoring Tools
Part VIII: Appendix
Appendix A. Answers to Review Questions
Index