calls when UM dies

[netman2k5]

I don't have the situation yet but would like to know ahead what happen to ip phone calls when UM server dies ? do we hear some system messages ? or nothing ? thanks in advance.

[ebreniz]

The document below gives the error message notification unity server issues.

http://www.cisco.com/en/US/products/sw/voicesw/ps2237/prod_troubleshooting_guide_chapter09186a00801189b1.html

[Hin Lee]

If the Voicemail server is not available, the ports will not be available and you will hear reorder tone; same thing if you tried to call a phone that has unregistered (and has call forward devices configured)