Accessing remote table from another R/3 system

Hi,
We are running our production on ECC 5.0 but we ABAP web dynpro environment on ECC7.0 portal box. We want use ABAP web dynpro for publishing some application through portal. I have read many document regarding accessing remote systems through RFC enabled function module but for the we need have function module in both system. Is it any way possible to access table from remote R/3 system programmatic without any call for function module. Please advice.
Thanks in advance,
Ravi Prakash

hi,
you should use a remote enabled function no matter what to read db table on other system
grtz,
Koen

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>
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