Yeastar is world's leader of SME PBX Systems. VoIP gateways can resolve all of your problems. Some of the advantages are the reduced costs – you can enjoy free internal calls. Secondly, the easy usage is extremely important – modern design with user-friendly operations, web interface and simple installation. Thirdly, the increased accessibility - cost efficiency aside, accessibility is one of the biggest benefits of VoIP for business. Last but not least, a VoIP number, also known as a virtual number, is completely portable. This means you can use the same number wherever you go.