ETSI - TR 102 575
Human Factors (HF); IP-based text telephony - as deployed in Scandinavia (and in some other countries)
Organization: | ETSI |
Publication Date: | 1 November 2013 |
Status: | inactive |
Page Count: | 10 |
scope:
The present document provides a description of user, functional and some technical aspects of an IP-based text telephony service, supporting the use of fixed and mobile mainstream devices, as currently deployed in Scandinavia (Denmark, Finland, Norway and Sweden - known as "Reliable RTT") and some additional countries (such as Germany and the Netherlands).
The present document provides a pointer to the source where the full details of the implementation, including a private Session Initiation Protocol header and some SIP examples, are made openly and freely available to any developer, service provider or other stakeholder interested in the service.
The present document carries no operational, interoperability or other requirements on terminal manufacturers, software developers or fixed or mobile network operators or service providers or their regulators, who are not involved in the provision of the service described.