TIPcon1 News

A demonstration of a text-and-voice call over the Internet was made yesterday. It was in connection to the presentation of the final draft of ETSI guide EG 201 320 DUST in the ETSI HF meeting. The call was made between ETSI in Sophia Antipolis and Omnitor in Stockholm.

Calls with text and voice on the internet is not a new thing, but the efforts must be increased to take it from a risk of fragmentation and non-interoperability into part of mainstream telecom services. The need of providing a real time user experience of text in the call must also be understood and fulfilled.... read more

After a long editing period by Gunnar Hellstrm from Omnitor and Paul Jones from Cisco, the updated version of RFC 2793 har finally been published with a new RFC number - RFC 4103.

RFC 4103 replaces RFC 2793. This document describes how to transport text over RTP, which is suitable to use in IP text telephone connections. RFC 4103 is backward compatible with RFC 2793, and gives a more detailed description of the protocol with more examples and clearer stated SDP negotiation procedures that hopefully will give good interoperatibility.... read more