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Wireless Headset for Cisco 7942 / 7942G IP Mono- PRO920
Headset adaptor for Cisco IP phone
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G User Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP) - Phone Installation [Cisco Unified IP Phone 7900 Series] - Cisco
TruVoice HD-150 Binaural Noise Canceling Headset Including QD Cable for Cisco IP Phones
C100 Headset for Cisco Phone 7940 7942 Series
Cisco 7942 / 7942G IP Phone Wireless Headset - Jabra PRO920 Duo