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thieuhofkes
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12-05-2016
08-18-2017
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Cisco 7940 Protocol Application Invalid
12-05-2016
Hi all I bought a 2nd hand Cisco 7940 to use as SIP phone. When powering up, the error "Protocol Application Invalid" appears. I have no clue what to do. I work on Apple OS. Anyone here who can help me out? Many thanks thieu
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Member Since
12-05-2016
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08-18-2017
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