I would look at the MPLS and how it is setup, because there is no reason why the ShoreTel shouls not work properly on an correctly config MPLS. Did you go to MPLS just for the ShoreTel install? You should take a look at Packeteer.
Visit Atcom to get started with your new business VoIP phone system ASAP
Turn up is quick, painless, and can often be done same day.
Let us show you how to do VoIP right, resulting in crystal clear call quality and easy-to-use features that make everyone happy!
Proudly serving Canada from coast to coast.
