- Gigaset N720 Release 68 or higher
- Gigaset T300/T500 5.2 or higher
- Gigaset PRO handset SL610H, S510H, R410H
With the Ad hoc conference it is possible to setup a Conference call with the Gigaset PRO handset.
- Existing call
- Put call on hold
- Make a second call
- Soft key options - Conference to start the conference call