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The NetMeeting protocol sends the User-User Signalling Information Element specified in [ITU-Q.931] section 4.5.30. This element carries information that is not interpreted by the network. This information is delivered transparently to remote user(s).
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Information Element identifier |
Length |
Protocol Discriminator |
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Information Element identifier (1 byte): Defines the information element type. MUST be set to 0x08 for user-user signaling.
Length (2 bytes): Length of user-user contents. The NetMeeting protocol does not include user-user contents. This field MUST be set to zero.
Protocol Discriminator (1 byte): Indicates the user protocol within the user information element. The NetMeeting protocol sets this field to 0x00 for user-specific protocol, as specified in [ITU-Q.931] section 4.5.30.