Voice Over IP and VOIP Protocols For Internet Telephony
H.225: Call Signaling and RAS in H.323 VOIP Architecture
H.225.0, a key protocol in the H.323 VOIP architecture defined by ITU-T,
is a standard to cover narrow-band visual telephone services defined in
H.200/AV.120-Series Recommendations.
H.235: Security for H.323 based systems and communications
H.235 is the security recommendation for the H.3xx series systems. In
particular, H.235 provides security procedures for H.323, H.225.0, H.245
and H.460 based systems.
H.245: Control Protocol for Multimedia Communication
H.245, a control signaling protocol in the H.323 multimedia
communication architecture, is for of the exchange of end-to-end H.245
messages between communicating H.323
endpoints/term...
H.323: Packet-based multimedia communications (VoIP) architecture
H.323, a protocol suite defined by ITU-T, is for voice transmission over
internet (Voice over IP or VOIP). In addition to voice applications, H.323
provides mechanisms for video communication and...
Megaco / H.248: Media Gateway Control protocol
Megaco/H.248, the Media Gateway Control Protocol, is for control of
elements in a physically decomposed multimedia gateway, which enables
separation of call control from media
conver...