Unified Communications Infrastructure

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Hi all expertsCurrently in my company. we are using a simple PBX with E1 pri terminated on it.When the user press 800, they get a second ( a bit different ) dial tone, which tells them that they have now taken an outside line. I think its called Trun...

Jonn cos by Level 4
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Good Morning,Please help.  We recently added exchanged 2010 to our enviornment and we are now running in mixed mode between exchange 2003 (partner Server) and exchange 2010.  We followed the recommended document (that has been referenced several time...