A A / 3Com Corporation Technology / Cisco Systems / Public Switched Telephone Networks / / /
Event
FDA Phase / /
Facility
H.323 terminal / Terminal Figure / Bayfront Plaza / /
IndustryTerm
media information / Real-time communication / media streams / telephony application / large data networks / user agent server / telephony / voice and data applications / media flows / signaling infrastructure / call control services / start-up / supplementary services / transport protocol / application layer control protocol / media type / multimedia communications / telephony signaling / proxy server / multimedia communications system / media data / example supplementary services / registrar server / unreliable transport protocol / telephony service / Voice over IP / /
NaturalFeature
RAS channel / Control Channel / Signaling Channel / /
Organization
Supplementary Service / Plain Old Telephone Service / United Nations / /
MP / general model / Proxy/Registrar / registrar / Controller / /
Product
SIP / H.323 / /
ProvinceOrState
California / /
Technology
signaling protocols / two signaling protocols / IP telephony / LAN / Q.931-like protocol / H.323 system / unreliable transport protocol / two protocols / Quality of Service / UDP / packet-switched / circuit-switched / Security protocol / proxy server / application layer control protocol / signaling protocol / transport protocol / H.323 / H.323 protocol / VOIP / PBX / class of service / SS7 / /
header for SPIE use Comparison of H.323 and SIP for IP Telephony Signaling Ismail Dalgica, Hanlin Fangb a