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Hi Johnny Would you please inform me the way in details because i have the same problem and i got the files from belevedere (Thanks to him) ? Always phone dont accept the flash (FW not allowed)

adel.nooh@yahoo.com

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...

ANY ONE FACE THIS PROBLEM Still cant return to NEC FW Any help???? I able to send Standard SIP fw to DT820 Successfuly. But when i try to send NEC SIP fw to the same phone, it finish download the file (ityXXpex.tgz) then phone give me error message "THIS FW IS NOT ALLOWED". I tried to rename...

Thank you Belevedere for the files. I able to send Standard SIP fw to DT820 Successfuly. But when i try to send NEC SIP fw to the same phone, it finish download the file (ityXXpex.tgz) then phone give me error message "THIS FW IS NOT ALLOWED". I tried to rename many files to the one he...

Thanks in advance to Belevedere for his efforts to help us. I need STD SIP Firmware for DT820. and also NEC SIP Firmware. Would you please help me? My email adel.nooh@yahoo.com Question ******** Can i return to the old NEC sip fw after flashing the new firmware ? Because i read a post that...