Businesses are looking for solutions that support both voice and data communications for a wide range of teleworkers, from premier employees such as corporate executives or full-time teleworkers who require permanent, secure connectivity for multiple remote devices to casual teleworkers who want secure connectivity for soft phones, IP phones, mobile phones, and third-party endpoints such as iPhones. In addition to Secure Sockets Layer (SSL) and IP Security (IPsec) VPN connectivity, Cisco ASA 5500 Series Adaptive Security Appliances Unified Communications proxy features extend unified communications services to remote users, providing a more complete, converged, multifunction security and VPN services within a single platform.