Tag Archives: Phone

Upgrade to Expressway 8.8.1 Breaks MRA

After completing an upgrade to Expressway 8.8.1, it was noticed that Mobile and Remote Access (MRA) suddenly stopped working.  After some searching and log files, it was found to be a DNS PTR record issue.  The  implemented “feature” that required the Expressway-E DNS PTR resolution had only been implemented as a requirement in version 8.8.1.

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