Hi,
 I have a trouble to understand TYPE-IDENTIFIER.  How
should I encode and decode this (from T38 - Basic
Aligned PER):

IFPPacket::=SEQUENCE
{
       type-of-msg Type-of-msg,
       data-field Data-field OPTIONAL
}

{
primary-ifp-packet TYPE-IDENTIFIER.&Type (IFPPacket)
}

>From the network monitor program, I always see 1
octect, which has the same value as number of octet of
IFPPacket.  From X.681:
TYPE-IDENTIFIER ::= CLASS

{

&id OBJECT IDENTIFIER UNIQUE,

&Type

}

WITH SYNTAX {&Type IDENTIFIED BY &id}


But I cannot understand which syntax the above octet
comming from.  Is it following the X.691 section, 10.9
General rules for encoding a length determinant?

Thanks a lot.

 


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