Redialing on Presence Grey

The redialing function is only supported by Bluetooth devices with a “hands free profile” (HFP).

  • Press the multi-function button.

How to set default headset in 3CX web Client

  • Log into 3CX Web Client
  • Go to settings - Personalize – Audio/ Video

  • Check if Sennheiser headset is selected as default in Speaker, Ringer and Microphone.
  • Select Sennheiser from Use headset integration dropdown.

Siemens optiPoint with SDW Series

  1. On SDW Series we have special Optipoint Settings for the Siemens optiPoint acoustic adapter EHS/DHSG

This Adapter is used for:

optiPoint 600 office,

  • optiPoint 500 advance/standard/basic,
  • Octophon F
  • optiPoint 420 advance/standard,
  • optiPoint 410 advance/standard.

  1. DIP Settings:

  1. Optipoint DHSG has a different timer on the Interface as common DHSG for that reason it is necessary in that combination.

Gathering Logs / Traces of Unify Deskphones which can help troubleshooting Headset Issues:

1. Please enable Traces through WBM = Web-based Management.


3. Call Logs would contain information on DHSG Interface: