control protocol / telephone service / voice and data networks / technology works / specific services / vendor-neutral security solution / Internet telephony / data communications / telephony / Internet services / telephone systems / potential solutions / telephone lines / communications / interdependent systems / public switched telephone networks / agreement protocol / large and complex worldwide circuit-switched network / real-time transport protocol / vendorneutral encryption services / telephone lock / glimpse on how this huge network / virtual private networks / real-time data / corporate network / Internet standards / real-time data transmission capabilities / Internet service / telephone functionality / real time communication applications / his/her telephone / do-it-all solution / telephone system / Internet-based telephony / encryption technology / Voice over IP / security solutions / /
Movie
Man in the Middle / /
NaturalFeature
RTP stream / /
OperatingSystem
DOS / /
Organization
CSRC / United Nations / Internet Engineering Task Force / Central Office / International Telecommunication Union / Internet Society / /
Person
Phil Zimmermann / Samuel Sotillo / Samuel Sotillo Sotillo / / /
Position
VoIP Registrar / corresponding VoIP Registrar / SIP Registrar / Registrar / common SIP Registrar / /
Product
TCP / /
Technology
IP telephony / LAN / second protocol / PSTN system / specific key management protocol / real-time transport protocol / PKI / VPN / key agreement protocol / VoIP system / two protocols / html / Quality of Service / UDP / TCP/IP protocol / operating systems / TCP/IP / text-based protocol / circuit-switched / Voice over IP protocol / encryption / Ethernet / ISDN / PKI encryption / PSTN / DNS / local number portability / video conferencing / famous PGP encryption technology / PKI-based encryption / HTTP / control protocol / H.323 / digital signature / VOIP / SS7 system / SS7 / VoIP protocol / /