Encyclopedia : H : H : H23 (3 articles)

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H-23 Raven
The four-place Hiller H-23 Raven light observation helicopter was based on the United States Navy UH-12, which was first flown in 1948. The H-23 Raven performed as a utility, observation, and MedEvac helicopter during the Korean war. Model numbers ranged A through D, F and G. The H-23A had a slopi..
H.235
H.235 covers security and encryption for H.323 and other H.245 based terminals. The standard addresses authentication by means of several algorithms, including Diffie-Hellman methods, and privacy. Privacy allows for encryption, also of the media streams. The standardization board agreed on H.235, ..
H.239
H.239 is an ITU-T recommendation from the H.32x Multimedia Communications' macrofamily of standards for multimedia communications over various networks. The H.32x family includes: H.320 - describes Multimedia Communications via ISDNH.321 - ATMH.322 - GQOS-LAN, LANs providing quality of se..

 

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