-- Use bonded-mode1 to signal a bonded call if the precise
                                        -- bonding mode to be used is unknown.
        bonded-mode2    NULL,   -- use ISO/IEC 13871 bonding mode 2
        bonded-mode3    NULL,   -- use ISO/IEC 13871 bonding mode 3
        ...
}

PresentationIndicator ::= CHOICE
{
        presentationAllowed             NULL,
        presentationRestricted          NULL,
        addressNotAvailable             NULL,
        ...
}

ScreeningIndicator ::= ENUMERATED
{
        userProvidedNotScreened (0),
                -- number was provided by a remote user
                -- and has not been screened by a gatekeeper
        userProvidedVerifiedAndPassed (1),
                -- number was provided by user
                -- equipment (or by a remote network), and has
                -- been screened by a gatekeeper
        userProvidedVerifiedAndFailed (2),
                -- number was provided by user
                -- equipment (or by a remote network), and the
                -- gatekeeper has determined that the
                -- information is incorrect
        networkProvided (3),
                -- number was provided by a gatekeeper
        ...
}

Facility-UUIE ::= SEQUENCE
{
        protocolIdentifier              ProtocolIdentifier,
        alternativeAddress              TransportAddress OPTIONAL,
        alternativeAliasAddress         SEQUENCE OF AliasAddress OPTIONAL,
        conferenceID                    ConferenceIdentifier OPTIONAL,
        reason                          FacilityReason,
        ...,
        callIdentifier                  CallIdentifier,
        destExtraCallInfo               SEQUENCE OF AliasAddress OPTIONAL,
        remoteExtensionAddress          AliasAddress OPTIONAL,
        tokens                          SEQUENCE OF ClearToken OPTIONAL,
        cryptoTokens                    SEQUENCE OF CryptoH323Token OPTIONAL,
        conferences                     SEQUENCE OF ConferenceList OPTIONAL,
        h245Address                     TransportAddress OPTIONAL,
        fastStart                       SEQUENCE OF OCTET STRING OPTIONAL,
        multipleCalls                   BOOLEAN,
        maintainConnection              BOOLEAN,
        fastConnectRefused              NULL OPTIONAL,
        serviceControl                  SEQUENCE OF ServiceControlSession OPTIONAL,
        circuitInfo                     CircuitInfo OPTIONAL,
        featureSet                      FeatureSet OPTIONAL,
        destinationInfo                 EndpointType OPTIONAL,
        h245SecurityMode                H245Security OPTIONAL
}

ConferenceList ::= SEQUENCE
{
        conferenceID                    ConferenceIdentifier OPTIONAL,
        conferenceAlias                 AliasAddress OPTIONAL,
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...
}

FacilityReason ::= CHOICE
{
        routeCallToGatekeeper           NULL,           -- call must use gatekeeper model
                                                        -- gatekeeper is alternativeAddress
        callForwarded                   NULL,
        routeCallToMC                   NULL,
        undefinedReason                 NULL,
        ...,
        conferenceListChoice            NULL,
        startH245                       NULL,           -- recipient should connect to h245Address
        noH245                          NULL,           -- endpoint does not support H.245
        newTokens                       NULL,
        featureSetUpdate                NULL,
        forwardedElements               NULL,
        transportedInformation          NULL
}

Progress-UUIE ::= SEQUENCE
{
        protocolIdentifier              ProtocolIdentifier,
        destinationInfo                 EndpointType,
        h245Address                     TransportAddress OPTIONAL,
        callIdentifier                  CallIdentifier,
        h245SecurityMode                H245Security OPTIONAL,
        tokens                          SEQUENCE OF ClearToken OPTIONAL,
        cryptoTokens                    SEQUENCE OF CryptoH323Token OPTIONAL,
        fastStart                       SEQUENCE OF OCTET STRING OPTIONAL,
        ...,
        multipleCalls                   BOOLEAN,
        maintainConnection              BOOLEAN,
        fastConnectRefused              NULL OPTIONAL
}

TransportAddress ::= CHOICE
{
        ipAddress       SEQUENCE
        {
                ip                      OCTET STRING (SIZE(4)),
                port                    INTEGER(0..65535)
        },
        ipSourceRoute   SEQUENCE
        {
                ip                      OCTET STRING (SIZE(4)),
                port                    INTEGER(0..65535),
                route                   SEQUENCE OF OCTET STRING (SIZE(4)),
                routing                 CHOICE
                {
                        strict  NULL,
                        loose   NULL,
                        ...
                },
                ...
        },
        ipxAddress      SEQUENCE
        {
                node            OCTET STRING (SIZE(6)),
                netnum          OCTET STRING (SIZE(4)),
                port            OCTET STRING (SIZE(2))
        },
        ip6Address      SEQUENCE
        {
                ip              OCTET STRING (SIZE(16)),
                port            INTEGER(0..65535),
                ...
        },
        netBios                 OCTET STRING (SIZE(16)),
        nsap                    OCTET STRING (SIZE(1..20)),
        nonStandardAddress      NonStandardParameter,
        ...
}

Status-UUIE ::= SEQUENCE
{
        protocolIdentifier      ProtocolIdentifier,
        callIdentifier          CallIdentifier,
        tokens                  SEQUENCE OF ClearToken OPTIONAL,
        cryptoTokens            SEQUENCE OF CryptoH323Token OPTIONAL,
        ...
}

StatusInquiry-UUIE ::= SEQUENCE
{
        protocolIdentifier      ProtocolIdentifier,
        callIdentifier          CallIdentifier,
        tokens                  SEQUENCE OF ClearToken OPTIONAL,
        cryptoTokens            SEQUENCE OF CryptoH323Token OPTIONAL,
        ...
}

SetupAcknowledge-UUIE ::= SEQUENCE
{
        protocolIdentifier      ProtocolIdentifier,
        callIdentifier          CallIdentifier,
        tokens                  SEQUENCE OF ClearToken OPTIONAL,
        cryptoTokens            SEQUENCE OF CryptoH323Token OPTIONAL,
        ...
}

Notify-UUIE ::= SEQUENCE
{
        protocolIdentifier      ProtocolIdentifier,
        callIdentifier          CallIdentifier,
        tokens                  SEQUENCE OF ClearToken OPTIONAL,
        cryptoTokens            SEQUENCE OF CryptoH323Token OPTIONAL,
        ...
}

-- Beginning of common message elements section

EndpointType ::= SEQUENCE
{
        nonStandardData         NonStandardParameter OPTIONAL,
        vendor                  VendorIdentifier OPTIONAL,
        gatekeeper              GatekeeperInfo OPTIONAL,
        gateway                 GatewayInfo OPTIONAL,
        mcu                     McuInfo OPTIONAL,       -- mc must be set as well
        terminal                TerminalInfo OPTIONAL,
        mc                      BOOLEAN,                -- shall not be set by itself
        undefinedNode           BOOLEAN,
        ...,
        set                     BIT STRING (SIZE(32)) OPTIONAL,
                                        -- shall not be used with mc, gatekeeper
                                        -- code points for the various SET devices
                                        -- are defined in the respective SET Annexes
        supportedTunnelledProtocols SEQUENCE OF TunnelledProtocol OPTIONAL
                                        -- list of supported tunnelled protocols
}

GatewayInfo ::= SEQUENCE
{
        protocol                SEQUENCE OF SupportedProtocols OPTIONAL,
        nonStandardData         NonStandardParameter OPTIONAL,
        ...
}

SupportedProtocols ::= CHOICE
{
        nonStandardData                 NonStandardParameter,
        h310                            H310Caps,
        h320                            H320Caps,
        h321                            H321Caps,
        h322                            H322Caps,
        h323                            H323Caps,
        h324                            H324Caps,
        voice                           VoiceCaps,
        t120-only                       T120OnlyCaps,
        ...,
        nonStandardProtocol             NonStandardProtocol,
        t38FaxAnnexbOnly                T38FaxAnnexbOnlyCaps
}

H310Caps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

H320Caps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

H321Caps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

H322Caps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

H323Caps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

H324Caps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

VoiceCaps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

T120OnlyCaps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix
}

NonStandardProtocol ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix,
        ...
}

T38FaxAnnexbOnlyCaps ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        dataRatesSupported              SEQUENCE OF DataRate OPTIONAL,
        supportedPrefixes               SEQUENCE OF SupportedPrefix,
        t38FaxProtocol                  DataProtocolCapability,
        t38FaxProfile                   T38FaxProfile,
        ...
}

McuInfo ::= SEQUENCE
{
        nonStandardData                 NonStandardParameter OPTIONAL,
        ...,
        protocol                        SEQUENCE OF SupportedProtocols OPTIONAL
}