1358 - MSU discarded - too big after MTP conv.

  • When ITUI or ITUN MSU, routed to ANSI or ITUN24 network, with SI less than or equal to 5 is received on any card type where the original MSU is of sufficient size that when the 14-bit point codes are converted to 24-bit point codes the resulting converted MSU will have SIF greater than 272 bytes.

  • When ITUI or ITUN MSU, routed to ANSI or ITUN24 network, with SI ranging from 6 to 15 is received on any non-IP card type where the original MSU is of sufficient size that when the 14-bit point codes are converted to 24-bit point codes the resulting converted MSU will have SIF greater than 272 bytes. The MSU will be discarded even if the outbound linkset is on IP card type and Large MSU Support is enabled (Large MSU for IP Sig, Feature P/N 893018401) because conversion is performed on the inbound card, so both the inbound and outbound cards must be able to support MSU greater than 272 bytes.

  • When ITUI or ITUN MSU, routed to ANSI or ITUN24 network, with SI ranging from 6 to 15 is received on any IP card type where the original MSU is of sufficient size that when the 14-bit point codes are converted to 24-bit point codes the resulting converted MSU will have SIF greater than 4095 bytes.

Example
    0055.1358    CARD 1113     INFO    MSU discarded - too big after MTP conv.
                 LEN=50
                 SIO=04   OPC=   016-032-048    DPC=   032-032-048  
                 DATA=01 02 03 04 05 06 07 08 09 0a 0b 0c 
                      0d 0e 0f 10 11 12 13 14 15 16 17 18 
                      19 1a 1b 1c 
                 LSN=ls211
                 Report Date:12-12-15  Time:11:03:11
;

Note:

The length of the MSU (for example, LEN=50) includes the length of the SIF plus some other parameters. The length of these other parameters varies depending on the protocol managed by the LIM card issuing the UIM.

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

Recovery

No action required.