Cisco integrates into the VoIP Ecosystem by supporing headset models from leading headset manufacturers:
Read attached file (Headset_Plantronics_Linksys_v10) for compatibility information between Plantronics headsets and Cisco SPA900 Small Business IP Phones.
Alternative: Use Plantronics "Find my Handset" website application to find Cisco SPA900 Small Business IP Phones compatible headsets
Important Note:Plantronics headsets require Quick Disconnect cord (2.5 mm to QD -PART NUMBER 48586-03) to connect to SPA900 Small Business IP Phones 2.5mm headset connector.
* For updated compatibility information please consult Plantronics website.
Cisco SPA512G, SPA514G and SPA525G2 ( With 7.5.1 software release and above ) support EHS ( Electronic Hook Switch ) with the following models of Plantronics headsets (require plantronics adapter APC-45):
Savi W7xx series ( Savi W710, W720, W730, W740 and W745 )
CS5xx series ( CS540, CS510 and CS520 )
Note: By default EHS is disabled on SPA512G, SPA514G and SPA525G2 ( With 7.5.1 and above). You will need to turn it on by configuring the following parameter using the web page or remote provisioning:
User Tab -> Electronic Hook Switch
Read attached file (GN_Handout_Linksys_ENG) for compatibility information between Jabra/GN headsets and Cisco SPA900 Small Business IP Phones.
Alternative: Updated information is available at Jabra "Headset Guide" website application to find Cisco SPA900 compatible headsets.
Jabra Cordless Headsets require Connection cord 8800-00-75 to connect to SPA900 IP phones 2.5mm headset connector
Jabra Corded Headsets require Connection cord 8800-00-46 to connect to SPA900 IP Phones 2.5mm headset connector.
Additional Notes: Although not mentioned in the handouts, Cisco Unified Communications 500 series phones follows the same headset compatibility as SPA900 Small Business IP Phones SPA900 series. Use the attached guides as references for 500 series compatibility.
Update September 02, 2010
The following Bluetooth headset devices have been tested by Cisco and found to function with the SPA525G IP Phone:
Plantronics Voyager 520
Plantronics Discovery 925
Update April 26, 2011
Sennheiser wired, wireless and BlueTooth headsets were tested with Cisco SPA IP Phones. See attached Sennheiser_Handout_Cisco_SB_final.pdf