The Sennheiser Electronic Hookswitch for Cisco 8900 & 9900 Series Phones connects any Sennheiser wireless office headset to 8900 and 9900 series Cisco phones, allowing for remote answering and ending of calls without the use of a handset lifter. Call us at 1-800-HEADSETS (1-800-432-3738) to check for compatibility with your phone.

Technical Specifications

Manufacturer Sennheiser
Catalog Number 2121
Type Wireless
Max Range / Cord Length N/A
Weight 1.8 oz.
Compatibility Not Applicable
Color Black
Warranty 3-Year Full Replacement
Battery Life N/A
Handset Lifter Compatible Not Applicable
What's in the box? Sennheiser electronic hookswitch

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