The value of this object indicates whether the low layer compatibility information element (LLC IE) is present or not in the CONNECT and SETUP call establishment messages sent from this basic rate interface (outgoing call) and whether it is checked or not in the same messages received by this basic rate interface (incoming call). The checking of LLC IE in the incoming calls is made as described below : the coding standard must be set to 'CCITT standardized coding', the information transfer capability must be set to 'unrestricted digital information', the transfer mode must be set to 'circuit mode', the information transfer rate must be set to '64 kbit/s', the user information layer 1 protocol must be set to 'CCITT standardized rate adaption X.31 HDLC flag stuffing', the user information layer 2 protocol must be set to 'CCITT Recommendation X.25 link layer' or 'CCITT Recommendation X.25 multilink', the user information layer 3 protocol must be set to 'CCITT Recommendation X.25 packet layer', the other octets of the LLC IE are not checked, This object may be set to one of the following values : notTransmittedAndNotChecked : the LLC IE is not present in the outgoing calls and it is not checked in the incoming calls, transmittedAndNotChecked : the LLC IE is present in the outgoing calls and it is not checked in the incoming calls, notTransmittedAndChecked : the LLC IE is not present in the outgoing calls and it is checked in the incoming calls, transmittedAndChecked : the LLC IE is present in the outgoing calls and it is checked in the incoming calls. The default value is 'notTransmittedAndChecked'.