H ChannelThe H channel is a primary rate ISDN interface designed for video conferencing. The channel rates vary between 384Kbps and 1,920Kbps. The H channels a... View more
H.221H.221 is a framing recommendation and is part of the ITU-T (International Telecommunications Union-Telecommunication Standardization Sector) H.320 vid... View more
H.222H.222 specifies the format of video steams employing MPEG (Moving Picture Experts Group) 2 compression. ... View more
H.225This is an ITU-T (International Telecommunications Union - Telecommunications Standardization Sector) standard that governs H.225 session establishmen... View more
H.230H.230 defines how individual audio/visual streams may be multiplexed onto a digital channel. ... View more
H.242H.242 is part of the H.323 group of standards for real time data over packet switched networks. H.242 defines the protocol for the establishment, main... View more
H.244H.244 specifies how two audio channels may be aggregated onto a B channel, in effect achieving half rate channels. ... View more
H.245The H.245 protocol is used to set up the bearer capabilities, media types and media channels. It is also used to open the call. ... View more
H.248 GCP - Gateway Control ProtocolThe H.248 standard was initially a collaborative project between the ITU-T and the IETF (Internet Engineering Task Force), with the ITU now holding ov... View more
H.261H.261 specifies the video codec algorithms, picture format and FEC (Forward Error Correction) methods to allow codecs from different manufacturers to ... View more
H.320H.320 is part of the ITU-T (International Telecommunications Union-Telecommunication Standardization Sector) standard for video conferencing. It speci... View more
H.323H.323 specifies how real time services may be implemented over IP networks. The 3 steps include H.225 signalling for agents to request access to the H... View more
H0 ChannelA H0 (zero) channel comprises six contiguous time slots on a T1 line. This gives a capacity of 384Kbps. ... View more
H10 ChannelThe H10 channel is used in North America as a primary rate channel. It uses 23,64Kbps channels from the T1 primary rate carrier. The H10 has a capacit... View more
H11 ChannelThe H11 channel uses all 24 timeslots on the T1 primary rate channel. This offers a data channel with a capacity of 1536Kbps. ... View more
H12 ChannelThe H12 is the European primary rate channel employing all 30 time slots on an E1 primary rate carrier. This offers a channel capacity of 1920Kbps. ... View more
HA - Home AgentThe Home Agent is the function within the MIP (Mobile IP) architecture responsible for routing data to mobile nodes currently attached to a foreign ne... View more
HAA - Home Agent MIP AnswerThe HAA is a MIP Diameter Application message, passed from the Home Agent to the Home Diameter Server. It is used in the MIP registration process and ... View more
Half DuplexA half duplex circuit is capable of transmission in both directions, but not at the same time. A typical example of a half duplex service is that prov... View more