Issues with Click2call not working properly can also be down to the phone line configuration profile on either a Gigaset Dect Phone or Desk Phone. For example a Gigaset Desk phone may have 2 profiles (lines) set up for the one phone.
If this is the case you will need to login to the web interface for your phone to change this and un-check the phone line it should not be registered to.
If using a Gigaset Desk phone please click here to see how to do this.
If using a Gigaset Dect phone please click here to see how to do this.
If this still has not resolved the issue please contact our Support Helpdesk so that we can investigate further.