This is the Aastra DHSG EHS Cable Kit to be used to interface Aastra phones with Jabra Jabra/GN EHS hookswitch (Jabra wireless headsets), Plantronics APS-1 (older Plantronics CS Series), Plantronics APS-11 (Plantronics Savi and new CS510, CS520, CS540 Series). Do not order this cable if your model is not listed. Compatible with these Aastra phones:
Aastra 57i CT
Aastra 6757i CT
Note: can not be used in conjunction with expansion modules.
Important: Phone settings must be changed on the Phone for this DHSG cable to work:
Aastra phone will auto-detect the DHSG headset
Audio mode needs to be set to “Headset/Speaker” mode manually.
(Options >Preferences > Set Audio > Audio Mode > Headset/Speaker)
For full headset functionality, disable the "Goodbye Key Cancels Incoming Call" parameter.
Aastra Web UI: Basic Settings > Preferences > General
For Details Aastra DHSG installation see Aastra DHSG Cable kit installation instructions.