�1���� Scope
�2����
References
�3����
Terms and definitionsd
�4����
Abbreviations
�5����
General
������� 5.1���� Encapsulation function location
������� 5.2���� Basic features
������� 5.3���� Use of X.75 for PDN interconnection
������� 5.4���� Protocol stack on the local interface
�6����
Call Set-up procedures
������� 6.1���� General
������� 6.2���� Call set-up conditions
������� 6.3���� Coding of the call request packet
������� 6.4���� Reception of the incoming call packet
������� 6.5���� Coding of the call accepted packet
������� 6.6���� Reception of the call connected packet
������� 6.7���� Negotiation at call set-up
������� 6.8���� Call set-up collision
�7����
Call clearing procedures
�8����
Data Transfer procedure
������� 8.1���� Reception of PDU from the local interface
������� 8.2���� Encapsulation format
������� 8.3���� Data transfer on the X.25 virtual call on the network side
������� 8.4���� Flow control
�9����
Encapsulation of Frame Relay
������� 9.1���� General Principles
������� 9.2��� �Procedures for Frame
Relay permanent virtual circuit
������� 9.3���� Procedures for switched virtual call
������� 9.4���� FR frames transfer procedure
10���� Encapsulation of IP datagrams
������ 10.1���� General Principles
������ 10.2���� Call set-up procedures
������ 10.3���� Call clearing procedures
������ 10.4���� IP datagrams transfer procedure
������ 10.5���� Flow control
Annex A � Protocol Implementation Conformance Statement (PICS) proforma
������� A.1���� Instructions for completing the PICS proforma
������� A.2���� Identification
������� A.3���� Claimed Conformance to standards
������� A.4���� Call set-up procedures
������� A.5���� Call clearing procedures
������� A.6���� Data transfer procedures
������� A.7���� Encapsulation of Frame Relay
������ �A.8���� Encapsulation of IP
datagrams
������� A.9���� Other information
Annex B � Coding of clearing cause and diagnostic fields generated by an
encapsulation function in clear request packet
Appendix I � Application examples
������� I.1���� Dynamic negotiation of the encapsulated protocol
������� I.2���� X.25 DTE / X.36 DTE interworking for a given encapsulated
protocol
������� I.3���� X.25 DTE / X.36 DTE interworking for multi-protocol
encapsulation
Appendix II � Technical discussion
������ II.1���� Mode of operation for the multi-PDU transfer
������ II.2���� Flow control
������ II.3���� Flow control for the FR case
Appendix III � Protocol identification mechanism for data packets when the
Q-bit is used