"salai sivamal.G" wrote:
> 
> Hi all,
> 
> I am working with FTAM. It is a File Transfer, and Access Management
> protocol.
> 
> i am now concentrating with Presentation services of it.
> 
> my doubt is, how exactly the PPDU content will be in case of
> P-Connect-Indication !
> 
> The P-connect-indication has some paramters called PDV-list.  The
> ASN.1 format of it says it is EXTERNAL.  what does it mean ?  I got to
> know that EXTERNAL means, self-explicitly indicates need not defined
> in the current module. But while implementing had doubt how to handle
> that ?

Please read one of the books that you can freely download from:
http://www.oss.com/asn1/booksintro.html
If you choose my book, go to the index at the end, click on "EXTERNAL"
and you'll easily find all relevant information.
-- 
Olivier DUBUISSON
France Telecom R&D
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