H.450

H.450 refers to an amount of standards that have been created by the International Telecommunications Union ( ITU) to define various features of H.323 known as packet-based communication protocol. It emulates a different, known as the QSIG standard, which defines similar services for the ISDN based networks.

  • H.450.1, Supplementary Services Framework, framework for additional performance

The general mechanism for the transport of features explained in this paper. Features are replaced by ROSE ( Remote Operations Service Element ).

  • H.450.2, Call transfer supplementary service, Call Connect

Explains how a Party B can convert an active call between Party A and Party B in a call between Party A and a new party -C.

  • H.450.3, Call Diversion Supplementary Service, Call Divert

Explains how an IP phone can activate a call diversion to a mobile phone for example. Explains how an IP phone can query whether diversions are in place.

  • H.450.4, Call Hold Supplementary Service, Place call on hold

Can be explained, defined as a call on hold and are supplied with a music on hold.

  • H.450.5, Call park and pickup supplementary service, call parking and Repeat

Imagine a large department store, where comes a call at reception for Ms. Smith. The reception parks the call and calls over the public address: " Ms. Smith, please 223 ". Ms. Smith moves to the nearest telephone, dials 223 and gets put through the call.

  • H.450.6, Call Waiting supplementary service, call waiting

Explains how a second call to an IP phone can signal that is already in an active call.

  • H.450.7, Message Waiting Indication Supplementary Service indicator, message - Waiting

Explains answering machine - related items and how this can be implemented using H.323.

  • H.450.8, Name Identification Supplementary Service, Name Display

Explains how names are displayed or how you intend to call incognito.

  • H.450.9, Call Completion Supplementary Service, recall

Explains how an automatic callback can be set up if a call destination is busy or temporarily absent and will later be available again.

  • H.450.10, Call Offer Supplementary Service

A variant of the phone call waiting. Also known as "Camp -On ".

  • H.450.11, Call Intrusion Supplementary Service, On Call Intrude

Explains how, for example, the secretary of a CEO intends and allows can override a call of their superiors to communicate important information.

  • H.450.12, Common Information Additional Network Feature for H.323 framework of other network functions

A means to exchange various additional information between endpoints. For example, if certain functions are available and / or permits.

  • Network protocol
  • Data compression
  • ITU Recommendation
International Telecommunication Union Integrated Services Digital Network
288723
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