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  • Users: adelnooh
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  1. adelnooh

    How to return to NEC firmware

    Hello I have NEC IP phone 820 (8LDX) i switch to Standard SIP fw (ityisipex.tgz) for testing. Now i want to return back to NEC fw which i cant do ? Every time a fw is sent to ip-phone it gives me message "FW is not compatable". When i try to download same Standard SIP it gives me "No need to...

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