Subject: [Megaco] Representation of ALL/NULL/CHOOSE for Termination IDs and context ID s

From: Padmaja Musti <[email-masked]>
Date: Wed, 10 Oct 2001 17:32:16 +0530

Hi,
ContextID is basically UINT32 and three values are reserved
to represent NULL/CHOOSE/ALL for ASN. In ABNF these
are represented using "-"/"$"/"*". Since three values are reserved
why can't we use the same values in ABNF as well instead of using
"-"/"$"/"*". Is it done to be inline with TerminationID.

ContextID = (UINT32/ "*"/"-"/"$")

Context ID        Reserved Value          ABNF text

    NULL            0x0                         -
  
    CHOOSE          0xFFFFFFFE(4294967295)      $

    ALL             0xFFFFFFFF(4294967295)      *

regards,
Padma

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