CONTENTS

 1     Scope
 2     Definitions
 3     References
        3.1     Normative references
        3.2     Informative references
 4     FAX/Textphone/Modem Tones Detection package
        4.1     Properties
        4.2     Events
                  4.2.1     Additional tone id value
        4.3     Signals
        4.4     Statistics
        4.5     Procedures
 5     Text Conversation package
        5.1     Properties
                  5.1.1     Text buffering time
                  5.1.2     Text termination connection state
                  5.1.3     Text User Identity
                  5.1.4     Text Transport
                  5.1.5     Text Protocol Version
                  5.1.6     Redundancy Level
                  5.1.7     Txc request timer
        5.2     Events
                  5.2.1     Connection State Change
        5.3     Signals
        5.4     Statistics
                  5.4.1     Characters Transferred
                  5.4.2     Lost Packets
        5.5     Procedures
                  5.5.1     Function
                  5.5.2     Informative description
                  5.5.3     Total Conversation
                  5.5.4     Descriptor to use for text conversation
 6     Text Telephone package
        6.1     Properties
                  6.1.1     Conversation mode
                  6.1.2     Communication Mode
                  6.1.3     Connection Mode
                  6.1.4     Action at loss of connection
                  6.1.5     V18 options
                  6.1.6     Character set
        6.2     Events
                  6.2.1     Connection mode changed
        6.3     Signals
        6.4     Statistics
                  6.4.1     Number of characters transferred
                  6.4.2     Number of alternating turns
        6.5     Procedures
                  6.5.1     Basic operation
                  6.5.2     Informative description
                  6.5.3     V.18 Modem
                  6.5.4     Operation with alternating text and voice mode
                  6.5.5     Alternating text and voice mode with legacy, carrierless textphones
                  6.5.6     Alternating voice and text conversation in carrier mode
                  6.5.7     Simultaneous voice and text mode
 7     Call Type Discrimination package
        7.1     Properties
                  7.1.1     Call Types
                  7.1.2     Text Call Types
                  7.1.3     V8bissupport
                  7.1.4     Probe message
                  7.1.5     Probe order
                  7.1.6     PhasereversalDetect
        7.2     Events
                  7.2.1     Discriminating tone detected
        7.3     Signals
                  7.3.1     V8Signal
                  7.3.2     AnswerSignal
                  7.3.3     CallingSignal
                  7.3.4     V8bisSignal
                  7.3.5     V18probe
        7.4     Statistics
        7.5     Procedures
                  7.5.1     Informative description
                  7.5.2     Operation
                  7.5.3     Operation for incoming calls
                  7.5.4     Operation for transit calls, coming from and going to the switched network
                  7.5.5     Operation for calls having one endpoint in the packet network
                  7.5.6     Cases when the call type cannot be determined from the signals
                  7.5.7     Scenarios and call flows
                  7.5.8     Initial characters
                  7.5.9     Time critical handling
 8     Fax package
        8.1     Properties
                  8.1.1     Fax connection state
                  8.1.2     Fax Transport
                  8.1.3     TransmissionSpeed
                  8.1.4     PSTN Interface
        8.2     Events
                  8.2.1     Fax Connection State Change
        8.3     Signals
        8.4     Statistics
                  8.4.2     Train Downs
        8.5     Procedures
                  8.5.1     Function
                  8.5.2     Process of Adding Fax Capable Terminations
                  8.5.3     Process of Ending a Fax Call
 9     IP Fax package
        9.1     Properties
                  9.1.1     Fax connection state
                  9.1.2     IPFaxTransport
                  9.1.3     TransmissionSpeed
                  9.1.4     T.38 Capabilities
                  9.1.5     T38MaximumBufferSize
                  9.1.6     T38MaximumDatagramSize
                  9.1.7     T38Version
        9.2     Events
                  9.2.1     Fax Connection State Change
        9.3     Signals
        9.4     Statistics
                  9.4.2     Train Downs
        9.5     Procedures
                  9.5.1     Function
                  9.5.2     Process of Adding IP Fax Capable Terminations
                  9.5.3     Process of Ending a Fax Call
                  9.5.4     Informative Example