• CCITT Rec. X.301 (11/1988) – DESCRIPTION OF THE GENERAL ARRANGEMENTS FOR CALL CONTROL WITHIN A SUBNETWORK AND BETWEEN SUBNETWORKS FOR THE PROVISION OF DATA TRANSMISSION SERVICES
  • CONTENTS
  • 0 Introduction
  • 1 Scope and field of application
  • 2 References
  • 3 Definitions
  • 4 Abbreviations
  • 5 General aspects of call control
    • 5.1 Model applicable to internetwork arrangements
    • 5.2 Classification of internetwork signals
    • 5.3 General principles concerning internetwork signals
  • 6 Transfer of addressing information
    • 6.1 General
    • 6.2 Transfer of X.121 calling address
    • 6.3 Transfer of E.164 calling address
    • 6.4 Transfer of X.121 called address
    • 6.5 Transfer of E.165 called address
    • 6.6 Format of X.121 addresses
    • 6.7 Format of E.164 Addresses
    • 6.8 Transfer of address information additional to Recommendation X.121 and E.164
  • 7 Arrangements for user facilities (see Note 1)
    • 7.1 Facilities related to the quality of service (QOS)for the call
    • 7.2 Facilities relating to the charging conditions applying to the call
    • 7.3 Facilities relating to specific routing conditions requested by the user of the call
    • 7.4 Facilities related to protection mechanisms requested by the user of the call
    • 7.5 Facilities to convey user data in addition to the normal data flow in the data transfer phase
    • 7.6 Other facilities
  • 8 Arrangements for call progress signals
    • 8.1 Interworking arrangements involving call progress signals defined in Recommendation X.96 only
    • 8.2 Internetwork arrangements involving call progress signals defined in Recommendation Q.931 only
    • 8.3 Internetwork arrangements involving call progress signals defined in Recommendation Q.699 only
    • 8.4 Internetwork arrangements involving call progress signals defined in Recommendations X.96 and Q.931
    • 8.5 Internetwork arrangements involving call progress signals defined in Recommendations X.96 and Q.699
    • 8.6 Internetwork arrangements involving call progress signals defined in Recommendations Q.931 and Q.699
  • APPENDIX I – Protocol elements of different networks used for the facilities and arrangements described in this Recommendation
  • APPENDIX II
  • I.1 Circuit switched data transmission services:
  • I.2 Packet switched data transmission service:
  • APPENDIX II – Arrangements to support the OSI Network Service