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New Contributor III

6355, Random SIP CANCEL after some calls

We have 3 NV-6355 working together in different geographical sites.

since some weeks ago, one of them is falling to generate SIP calls (long distance).

Making an analysis, we noticed that after some calls, the 6355 sends a CANCEL with no apparent reason, and this issue continues for the following 4 calls, then they succeed.

Has anybody faced something like this?


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