SIP Softphone Software Development Kit Create high quality SIP VoIP, Video Telephony and XMPP Instant Messaging web and stand alone applications with Eyeball MessengerSDK: Soft Client Components SIP Softphone SDK Video Phone Instant messaging Presence File Transfer SMS Configurable Added Value Peer 2 Peer Scalability 100% Call Completion Rate Guaranteed Voice and Video Quality Federated Instant Messaging SIP and XMPP compliant Fully customisable and brandable VoIP SDK has a fully configurable user interface for easy branding to fit your needs. Federated IM Instant Messaging with your buddies with just one application. Seamless Call Completion Solving the firewall, proxy and NAT traversal problem, our AnyFirewall™ Technology provides seamless call completion from behind NATs, firewalls and proxies using STUN, TURN, ICE and HTTP tunneling. Peer to peer Scalability Eyeball MessengerSDK completes most calls using peer-to-peer media del