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Request for Investigation of Telephone Harassment

If you are receiving harassing calls, you can proceed as follows:

  1. Download the "Request for Investigation of Telephone Harassment" here.
  2. Complete the form in full.
  3. Send the fully completed form to us by email at customercare@sipcall.ch. A copy of your passport or ID must be attached for identification purposes.
  4. You will receive feedback from us within a few days.