1375 - SMS B-party Failed to modify TCAP MSU

The formatted outbound digit string length generated by SMS NP for encoding the TCAP message exceeded system limits.The formatted outbound digit string length generated by SMS NP or MO SMS B-Party Routing for encoding the TCAP message exceeded system limits.

Example
 tekelecstp 02-03-20 07:40:50 EST  EAGLE 39.1.0-61.4.0
 6815.1375    CARD 1103     INFO    SMS B-party Failed to modify TCAP MSU    
              SIO=83   OPC=   002-002-001    DPC=   009-008-007
              CDPA: AI=8b  SSN=002  TT=006
                    ADDR=110000
              CGPA: AI=43  PC=   002-002-001     SSN=002
              DATA=49 e2 47 c7 04 47 04 25 1e e8 3f e9
                   3d cf 01 e9 d1 02 09 35 f2 34 9f 69
                   01 00 9f 74 02 00 00 89
              LSN=ls221
              Report Date:02-03-20  Time:07:40:50

Alarm Level: No alarm condition. The message is informational only.

Recovery

The message and outbound digits formatting options should be analyzed to determine the error and the originating node or the requested outbound digit formatting option should be modified to correct the encoding error.

This UIM is generated when processing MSU for SMS MO and TCAP message needed to be expanded to accommodate new digits and either
  • New SM-RP-UI parameter length exceeds 127 digits.
  • The length of new parameter sequence, Invoke component, component portion or TCAP package exceeds 127 bytes.
  • The SCCP user data length (TCAP payload size) exceeds 255 bytes.
  • The MSU length exceeds 279 bytes.