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Jabra Biz 1500 Cisco 7900, 8900 IP Phone Compatible Headset
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4. Cisco IP Phone 7960/40 Administrator Guide for SIP, Version 3.0 - Product Overview (Version 3.0) [Cisco SIP IP Phone Software] - Cisco
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6. Cisco IP Phone 7960 Administrator Guide for SIP, Version 1.0 - Product Overview (Version 1.0) [Cisco SIP IP Phone Software] - Cisco
Cisco Unified IP Phone Model 7960G and 7940G Administration Guide for Cisco Unified CallManager Release 4.2.3 - Setting Up the Cisco Unified IP Phone [ Cisco Unified IP Phone 7900 Series] - Cisco Systems
Cisco 7960 / 7960G IP Phone Wireless Headset - Jabra PRO920 Duo