VoIP and telephony solutions unify voice, video, data, and mobile applications on fixed and mobile networks. They let your employees talk with each other using almost any media, device, or operating system. Vertisys has been assisting its customers with VoIP for over 8 years. Vertisys can configure, install and maintain your VoIP system regardless of whether or not it was purchased from us. We provide best-in-class solutions from Unify (formerly Siemens Enterprise Communications) and Cisco. Vertisys provides highly secure, reliable, scalable communications that take advantage of your LAN and WAN. It improves employee flexibility and productivity with the full range of Vertisys managed VoIP and Telephony solutions. Take advantage of a wide range of Session Initiation Protocol (SIP)-based communication capabilities.