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PRODUCTS & SERVICES
VOICE AND UNIFIED COMMUNICATIONS
CISCO UNIFIED IP PHONES 500 SERIES
PRODUCT LITERATURE
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Cisco Unified IP Phones 500 Series
End-of-Life and End-of-Sale Notices
Find out why a Cisco product has reached its end of life, what product upgrade and substitution options are available, and when these changes will take effect.
End-of-Sale and End-of-Life Announcement for the Cisco Unified IP Phones 521G, 524G, 521SG, and 524SG
30/Oct/2009
