VoIP Phone SDK Cost: $499 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions VoIP Phone SDK: allows you to make telephone calls using a broadband Internet connection instead of a regular (or analog) phone line. Not only is it convenient for having a virtual second phone line in the house, VoIP Phone is the true cost-effective, efficient way of making long-distance calls. Forget heavy phone bills. Ignore bad weather and storms. Use VoIP Phone over your broadband connection to call anywhere in the world at a very low cost. A small or home business looking to keep in touch with clients and customers alike? Are you part of an organization that needs to keep its costs low (charity, to give just one example)? Discover the ease of VoIP Phone, and say goodbye to big phone bills