FAQs and Troubleshooting 87

Frequently Asked Questions 87

Troubleshooting Tips 87

Conference 87

Personal Directory 88

Shared Lines 88

User Options 89

Product Safety, Security, Accessibility, and Related Information 90

Safety and Performance Information 90

Power Outage 90

External Devices 90

Cisco Product Security 91

Accessibility Features 91

Additional Information 91

Warranty 93

Cisco One-Year Limited Hardware Warranty Terms 93

Cisco Unified IP Phone User Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)

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Cisco Systems 6921 manual FAQs and Troubleshooting