Unblock VoIP in Germany . Many ISPs and governments wanting to drive telephone traffic to the local service provider use 'VOIP blocking' to prevent calls from going through. The techniques they use to do this can easily be bypassed through the use of a personal VPN by encrypting the connection and sending it over the same connection that regular web traffic flows on.
Since the ISP cannot see that the traffic is an IP phone call, they cannot block it. Many people around the world use a personal VPN to bypass the VOIP blocking instituted by their service providers.For those with hardware-based IP phones, there is a 'VPN Appliance'. The device is a standard router that has been configured to automatically connect to the VPN service.
Everything that is plugged into its Ethernet ports or connected through its wireless access point, is passed through the VPN tunnel. Premium version of VpnTraffic's virtual private networks. All of the functions of the light version plus the ability to make VoIP calls in countries where VoIP is blocked.
Make PC to phone calls worldwide by bypassing VoIP blockades Secure access to your office network Secure access to your email server Secure access to any news and video on the web
How to unblock voip in Iran?
Anonymous internet connection cal help you unblock voip in Iran, skype and any other blocked sites because in general all the Internet restrictions are based on the IP address.
If you hide can your real IP you can unblock voip in Iran. There are plenty ways to change your IP and the most reliable and stable one on my mind is vpn service. VOIP VPN lets to create a secured chanel between your PC and vpn server.