Sennheiser Cisco Hookswitch Setup

Sennheiser Electronic Hookswitch for Cisco 7900 Series Phones (CAT #1785):

• Connect green and pink cord into PHONE and ACC port of cube
• Connect the other end in both the Headset and Aux ports of Cisco
• Compat on A & Move dipswitch #1 down

Sennheiser Electronic Hookswitch for Cisco 8900 & 9900 Series Phones (CAT #2121):

• Connect green cord into PHONE port in cube
• Connect the other end in the USB port in Cisco
• Compat on A & Move dipswitch #1 down

Sennheiser Electronic Hookswitch for Cisco SPA Series Phones (CAT #2216):

• Connect green and pink cord into PHONE and ACC port of cube
• Connects into Headset port (2.5mm) of Cisco
• Compat on A & Move dipswitch #1 down

Sennheiser Electronic Hookswitch for Cisco 8941 and 8945 Phones (CAT #2408)

• Connect green and pink cord into PHONE and ACC port of cube
• Connects to the headsets jack of Cisco
• Compat on A & Move dipswitch #1 down

Phone Settings for the 7900 series EHS (CAT #1785)

On the Cisco phone, you can verify that the feature is enabled:

• Settings button
• Scroll to Device Configuration
• Scroll to Media Configuration
• Verify that the Headset Hook Switch Control setting displays Enabled

Note: If it is disabled and you cannot change it, then you should contact your phone service provider or I.T. for assistance.

Time for a new headset?

Many Sennheiser wireless Customers have switched to the Leitner LH570!