22.2263GPPGlobal Text Telephony (GTT)Release 15Stage 1TS
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
– References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific.
– For a specific reference, subsequent revisions do not apply.
– For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
 3GPP TS 22.101: "Service Principles".
 ETSI ETR 333; Text Telephony; User requirements and Recommendations
 ITU-T H.248 Annex F Facsimile, Text conversation and call discrimination packages (2000)
 ITU-T Recommendation T.140 (1998) – Text conversation protocol for multimedia application. With amendment 1 (2000).
 ITU-T Recommendation F.700 (2000) – Framework recommendation for audiovisual/multimedia services.
 ITU-T Recommendation V.18 (2000) – Operational and interworking requirements for DCE:s operating in the text telephone mode.
 3GPP TS 22.140: "Multimedia Messaging Service; Stage 1"
 3GPP TS 23.140: "Multimedia Messaging Service; Functional description; Stage 2"
 IETF RFC 2793. (2000) RTP Payload for text conversation.
 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".