These messages are encoded in ASN.1 format. Check out X.680,X.681,X691
for details.
To answer your specific question, the enumerations are encoded in as
few bits/bytes as possible to encode the possible range. Hence an
enumeration with just two values is represented by just one bit.
Cheers.
Autumn-Fox wrote:
> Hello,
>
> I got a question when I was reading the protocol 3GPP TS 25.433
> Unlike CDMA abis messages, those messages and IEs defined in the
> protocol don't give out the exact message length.
> For example:
>
> IE {Message Discriminator} has an IE type of { Enumerated (common,
> dedicated) }
> What does this mean ? does it have 8 bits or 16 bits in length ?
>
> IE{Chip Offset } has an IE type of { INTEGER(0..38399) }
> How long is this number ? 24 bits or 32 bits?
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