Union Professional Co., Ltd. has developed a powerful VoIP Gateway - USKY Skype SIP Gateway for Skype for Business (Lync Server) of enterprise applications, integrated of internal and external communications network. We provide the most innovative and cost effective enterprise solution. USKY Skype SIP Gateway features: 1. Can be perfectly integrated of Microsoft Skype for Business (Lync Server). 2. Leading technology of Skype, SIP and PSTN integration in one device. 3. All-in-One design, no external PC required. 4. Support standard SIP protocol, and also provide SIP Trunk and SIP Client Function 5. The lowest call rates in the world. USKY Skype SIP Gateway applications: 1. Lync Clients make SkypeOut calls (local / Mobile / international calls). 2. Office desktop extension and the Lync Client can call each other. 3. Office desktop extensions make SkypeOut calls (local / mobile phone / international calls), 4. Head office and branch offices can call the office desktop extension directly. Union Professional Co., Ltd. is a leading provider of business communication solution. We would like to find the reseller or distributor in the world, if you are interested to know more about innovative VoIP Gateway - USKY Skype SIP Gateway, please contact us