The switch is set to FRRN. I have tried it on all clock settings and the result is the same. I have the cisco set to receive clock from the switch. So far no errors are showing up there. Only when the N12 restarts.....

This is a new install. FYI the cisco is providing voice/ip conversion and is providing a clear channel for signaling. Only the voice data is converted to ip. The main switch is also set to FRRN but it has a clock source from a pri. My branch location does not have a pri.