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Dialog 4220 defect

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godo

godo

Technical User
Nov 23, 2006
1
RO
Hello, does anybody know why Aastra terminals (eg 4220) stop functioning on a BP250 system?
I replace the terminal and the port is ok, but I want to know why and what is the most common defect found on this type of phone.
Is it worth to try repair the phone or just replace it with a new one?
Does anybody has a service manula for dialog 4220?

Thanks.
 
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