Table of Contents

 1     Scope        
 2     References             
 3     Definitions
 4     Abbreviations         
 5     General     
        5.1     Master-slave determination  
        5.2     Capability exchange 
        5.3     Logical channel signalling procedures
        5.4     Receive terminal close logical channel request           
        5.5     ITU‑T H.223 multiplex table entry modification           
        5.6     Audiovisual and data mode request   
        5.7     Round-trip delay determination         
        5.8     Maintenance loops   
        5.9     Commands and indications    
Annex A – Messages: Syntax    
Annex B – Messages: Semantic definitions    
        B.1     Master-Slave Determination messages           
        B.2     Terminal capability messages            
        B.3     Logical channel signalling messages  
        B.4     Multiplex Table signalling messages  
        B.5     Request Multiplex Table signalling messages 
        B.6     Request Mode messages       
        B.7     Round-trip Delay messages   
        B.8     Maintenance Loop messages
        B.9     Communication Mode Messages       
       B.10     Conference Request and Response Messages
       B.11     Multilink Messages 
       B.12     Logical Channel Bit rate Change Messages   
       B.13     Commands 
       B.14     Indications  
       B.15     Generic messages   
Annex C – Procedures    
        C.1     Introduction 
        C.2     Master-slave determination procedures         
        C.3     Capability exchange procedures        
        C.4     Unidirectional Logical Channel signalling procedures 
        C.5     Bidirectional Logical Channel signalling procedures    
        C.6     Close Logical Channel procedures      
        C.7     ITU-T H.223 Multiplex Table Procedures         
        C.8     Request Multiplex Entry procedures  
        C.9     Mode Request procedures    
       C.10     Round-trip delay procedures
       C.11     Maintenance Loop procedures          
Annex D – Object identifier assignments    
Annex E – ISO/IEC 14496-2 Capability Definitions    
Annex F – Logical Channel Bit-Rate Management Capability Definitions    
Annex G – ISO/IEC 14496-1 Capability Definitions    
        G.1     Capability Identifier 
        G.2     Capability parameters used for capability negotiations and logical channel signalling  
        G.3     Capability parameters used for logical channel signalling only
Annex H – ISO/IEC 14496-3 Capability Definitions    
Annex I – GSM Adaptive Multi-Rate Capability Definitions    
        I.1               Definition of mode signalling and bit stuffing to achieve octet alignment 
Annex J – TDMA ACELP Voice Codec Definitions    
Annex K – TDMA US1 Voice Codec Definitions    
Annex L – CDMA EVRC Voice Codec Definitions    
Annex M – ISO/IEC 13818-7 and Rec. ITU-R BS.1196-2 Definitions    
Annex N – IETF RFC 3389 – RTP Payload for Comfort Noise    
Annex O – L16 Capability Identifier    
Annex P – Bounded audio stream capability    
Annex Q – Generic Capability for N ´ 64K Circuit Relay over IP    
        Q.1     Introduction
        Q.2     Description  
Annex R – Adaptive Multi-Rate Capability Definitions    
        R.1     Introduction 
        R.2     Description  
Annex S – Internet Low Bit Rate Codec (iLBC) Capability Definitions    
        S.1     Introduction 
        S.2     Description   
Annex T – DynamicPayloadType Replacement Capability Definitions    
      Page
Appendix I – Overview of ASN.1 syntax    
        I.1               Introduction to ASN.1    
        I.2               Basic ASN.1 data types  
        I.3               Aggregate data types    
        I.4               Object identifier type    
Appendix II – Examples of ITU‑T H.245 procedures    
       II.1     Introduction  
       II.2     Master-slave Determination Signalling Entity  
       II.3     Capability Exchange Signalling Entity  
       II.4     Logical Channel Signalling Entity         
       II.5     Close Logical Channel Signalling Entity            
       II.6     Multiplex Table Signalling Entity         
       II.7     Mode Request Signalling Entity           
       II.8     Round-trip Delay Signalling Entity       
       II.9     Bidirectional Logical Channel Signalling Entity
Appendix III – Summary of procedure timers and counters    
      III.1     Timers           
      III.2     Counters       
Appendix IV – ITU‑T H.245 extension procedure    
Appendix V – The replacementFor procedure    
Appendix VI – Examples of ITU‑T H.263 Capability Structure Settings    
       VI.1     Examples of Enhancement Layer ITU‑T H.245 parameter setting          
       VI.2     Examples of Video Back Channel ITU‑T H.245 parameter setting          
Appendix VII – Procedure and template for defining new capabilities with ITU-T H.245 generic capabilities    
      VII.1     Procedure    
      VII.2     Template     
      VII.3     Example Template – ITU-T H.261       
Appendix VIII – List of generic capabilities and generic messages defined in Recommendations/Standards other than this Recommendation    
Appendix IX – ASN.1 usage in this Recommendation    
       IX.1     Tagging        
       IX.2     Types            
       IX.3     Constraints and Ranges         
       IX.4     Extensibility 
Appendix X – Resolution of unidirectional and bidirectional conflict scenarios    
        X.1     Both terminals use bidirectional OLC 
        X.2     Master proposes bidirectional OLC and slave proposes unidirectional OLC       
        X.3     Master proposes unidirectional OLC and slave proposes bidirectional OLC       
        X.4     Master proposes bidirectional OLC with nullData and slave proposes unidirectional OLC    
        X.5     Both terminals propose bidirectional OLC with nullData          
Bibliography