What should be the behavior of ASP, when SCON message received with out congestion indication parameter

Hello All ,

I wanted to know, what should be behaviour of ASP when the SCON message is
received with out congestion indication parameter.
Here i am reffering to RFC 4666 & using the ANSI.

According to RFC , it has mentioned that congestion indication is only for
the ANSI  & national method.Is there any specific reason to keep the
congestion indication in the optional parameter. I can't guess the use SCON
message without congetion indication.

  Congested Indications: 32 bits

      The optional Congestion Indications parameter contains a
      Congestion Level field.  This optional parameter is used to
      communicate congestion levels in national MTP networks with
      multiple congestion thresholds, such as in ANSI MTP3.  For MTP
      congestion methods without multiple congestion levels (e.g., the
      ITU international method) the parameter is not included.



 Regards
 Pavan

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