sip:phone is a Unified Communication Client brought to you by Sipwise GmbH, the open source soft-switch vendor. IMPORTANT NOTE: sip:phone requires an existing account on the sipwise.com Server. IT DOES NOT WORK properly on arbitrary SIP providers or Sipwise deployments! HIGHLIGHTS: • Secure VoIP softphone for voice, presence, instant messaging and group chats • Auto-Discovery of contacts in your address book • Encrypted SIP and XMPP communication for secure calls and messaging • Sharing of