ITU X.35:1993
ITU X.35:1993 Interface Between A Pspdn And A Private Psdn Which Is Based On X.25 Procedures And Enhancements To Define A Gateway Function That Is Provided In The Pspdn Provides definition of the interface and the procedures applicable for providing a gateway function in a PSPDN to a private PSDN. Modifications of the procedures defined in X.25 are required for succe