> Gurpreet Sachdeva wrote:
>
> Hi All,
>
> My question is not directly related to ASN.1 syntax or rules. It is
> related to the use of ASN.1 in PSTN , AIN.
>
> Every call in AIN in North America, Europe and Japan results in TCAP
> protocol messages. These messages are described using ASN.1 and
> encoded using one of its predefined encoding rules (e.g., The Basic
> Encoding Rules (BER)).
>
> Different types of vendors have different types of switches. Every
> switch (using IN TCAP) has its message description written in ASN.1.
>
> I want to know that these message descriptions are the same or
> different for different switches. I am confused because I think if the
> switches use the same Capability Set of IN, then their ASN.1
> description should be same. On the other hand, since the switches are
> different their description should also be different.
>
> Please clarify my doubt.
>
> Regards,
> Gurpreet.
If you look at a switch as a 'blackbox', it is easy to understand that
the functionality of the 'blackboxes' can be the same without having the
same implementation.
If you look at IN CSx as functionality, you see that different switch
implementations can have the same 'message description'.
Best regards
Egon Andersen
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