A synopsis of the Related Work

Vijay and Jonathan’s works explored new services in merging Internet and PSTN/Cellular worlds. These telephony services intrinsically use SIP to work, though they are used via a Web interface (HTTP).
The Mozilla Weave and the Apache CouchDB allows users to share their data and intrinsically use HTTP(WEBDAV) to work.
The Mozilla Weave, which currently being developed, will offer user profile mobility, in addition to stateless web session mobility.
There is a growing trend towards having two endpoints in a client. Examples include the Akogrimo project.

Vijay and Jonathan’s works explored new services in merging Internet and PSTN/Cellular worlds. These telephony services intrinsically use SIP to work, though they are used via a Web interface (HTTP).