Cisco 7940 issue

@telili wrote:

Hi all,

I am using elastix freepbx _ i am facing up a strange issue with cisco ip phne 7940, they cannot register into the server , however, the other cisco phone model 504g are all registered and working well.

I start this thread , maybe some of you already experienced this issue and found a solution.
Please share with me .

Regards,

.

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