I’ve seen various customers that were building OCS dial plans that did not comply with our recommendation to follow RFC 3966 . Some of these customers had problems while I was engaged with them. All the rest will have problems later. Note: RFC 3966 is
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A lot has been written about the way that Microsoft Office Communicator uses DNS to automatically discover a registration point for a given SIP URI. I won’t repeat all of that here. But, I do want to emphasize one of the unique constraints that Communicator
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