The T.400-Series Recommendations generally defines open document architecture (ODA), document architecture operations and DTAM servicdprotocol for document architecture transfer and manipulation under the telematic communication environment. This Recommendation defines a communication application profile DM- 1 for document unconfirmed manipulation to specify an interactive communication profile based on DTAM between videotex gateway systems. The use of Recommendations X.215, X.225, X.216, X.226, X.217 and X.227 for this communication profile is described in this Recommendation.