Regardless of which server you have defined to be used, the end quotes for parcels will always be obtained from the drc.edeliver server.
The austpost.vcsweb.com server is only used to obtain the fixed price stuff. (which isn't readily avialable from the drc servers).
During 'normal' operation (assuming everything works correctly) the AP module sends a special request (fees) to the austpost.vcsweb servers, where the prepaid satchel, regular letter, and insurance rates are obtained. All other requests are assumed to be variable quotes based on parcel rates and are redirected to the drc.edeliver servers.
In most cases this works well, but in some cases it has been noted that the redirections don't work due to restrictions put in place by some ISP's.
By defining the drc.edeliver server as being the one to use helps identify whether the end user has a generic connectivity problem or whether they are affected by the redirection problem (experience indicates that most problems are not caused by the redirection issue).
It has been observed that sometimes switching from the 'FILE' method to the 'cURL' method of connection will solve this problem.
Anyway, assuming your (original) problem IS caused by the redirection (and it appears this might be the case) then unless you compensate for the 'missing data' (by editing the code) you will not be able to offer prepaid bags, letters, registration, COD or even insurance. IOW, you'll only be able to get quotes on regular/express parcels, Other quotes simply won't show up even if you do 'enable' them.
Hopefully that makes sense.
Cheers
Rod
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