IP Phone User Manual

Preface
Obtaining Additional Publications and Information
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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
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Severity 3 (S3)—Operational performance of the network is impaired while 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.
• The Cisco Product Quick Reference Guide is a handy, compact reference tool
that includes brief product overviews, key features, sample part numbers, and
abbreviated technical specifications for many Cisco products that are sold
through channel partners. It is updated twice a year and includes the latest
Cisco channel product offerings. To order and find out more about the
Cisco Product Quick Reference Guide, go to this URL:
http://www.cisco.com/go/guide
• Cisco Marketplace provides a variety of Cisco books, reference guides,
documentation, and logo merchandise. Visit Cisco Marketplace, the
company store, at this URL:
http://www.cisco.com/go/marketplace/
• 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:
http://www.ciscopress.com
• Packet magazine is the magazine for Cisco networking professionals. 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 subscribe to Packet magazine at this URL:
http://www.cisco.com/packet