Simple supplementary service protocol for H.323 systems

Details Simple supplementary service protocol for H.323 systems Simple supplementary service protocol for H.323 systems

2006-12-26

2006-12-26

Vaughn, William (Department: 2144)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

C370S352000, C379S283000

Reexamination Certificate

active

07155528

ABSTRACT:
A simple supplementary service protocol (SSSP) is provided for implementing functionally based supplementary services using the H.323 standard. According to the preferred embodiment, a generic and expandable protocol is provided for passing supplementary services information between H.323 entities for the provision of over twenty classes of functionally based supplementary services. The protocol of the present invention is relatively lightweight (i.e. not code intensive) compared to H.450 since it does not rely on ASN.1 encoding. In addition, the mixture of functional and stimulus protocol concepts in the design of the inventive protocol results in robust functional characteristics and implementation capability using only lightweight Endpoints.

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Kumar et al, “Supplementary Services in the H.323 IP Multimedia”, Communications Magazine, IEEE, vol. 37, Issue: 7, Ju 1999, pp. 118-125.

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