Cisco Cisco Customer Response Solution Downloads Design Guide

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Cisco Unified Contact Center Express Solution Reference Network Design, Release 4.1
Preface
Obtaining Additional Publications and Information
Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You 
and Cisco will commit all necessary resources around the clock to resolve the situation. 
Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your 
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco 
will commit full-time resources during normal business hours to resolve the situation.
Severity 3 (S3)—Operational performance of your network is impaired, but most business operations 
remain functional. You and Cisco will commit resources during normal business hours to restore service 
to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or 
configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online 
and printed sources.
Cisco Marketplace provides a variety of Cisco books, reference guides, documentation, and logo 
merchandise. Visit Cisco Marketplace, the company store, at this URL:
Cisco Press publishes a wide range of general networking, training and certification titles. Both new 
and experienced users will benefit from these publications. For current Cisco Press titles and other 
information, go to Cisco Press at this URL:
Packet magazine is the Cisco Systems technical user magazine for maximizing Internet and 
networking investments. Each quarter, Packet delivers coverage of the latest industry trends, 
technology breakthroughs, and Cisco products and solutions, as well as network deployment and 
troubleshooting tips, configuration examples, customer case studies, certification and training 
information, and links to scores of in-depth online resources. You can access Packet magazine at 
this URL:
iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies 
learn how they can use technology to increase revenue, streamline their business, and expand 
services. The publication identifies the challenges facing these companies and the technologies to 
help solve them, using real-world case studies and business strategies to help readers make sound 
technology investment decisions. You can access iQ Magazine at this URL:
or view the digital edition at this URL:
Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering 
professionals involved in designing, developing, and operating public and private internets and 
intranets. You can access the Internet Protocol Journal at this URL:
Networking products offered by Cisco Systems, as well as customer support services, can be 
obtained at this URL: