Services in United States and Austria Sipgate operated a subsidiary which provided sipgate-branded VoIP services in Austria and the US. On 31 December 2013, the company discontinued Austrian operations citing negative regulatory restrictions imposed by the Austrian telecommunications regulator RTR. The RTR imposed rulings that a company can only supply a telephone number to a property if they also supply the associated cabling. All services provided by Sipgate Inc (USA) were discontinued as of 31 October 2013. sipgate one sipgate one was a product that allocated the customers a German mobile number and incoming calls were then forwarded to customer's landline number or Skype. The service was discontinued on 31 July 2013. See also List of VOIP companies References External links sipgate UK sipgate Germany VoIP companies VoIP companies of Germany Mobile virtual network operators