We have two clients both using the UC540 with nexVortex SIP Trunking and they are unable to call each other but can make and receive calls to anyone or anywhere else with any issues. Does anyone have any idea's on where the problem is. We have been o...

Can anyone tell me the issues that may cause the CCA from finishing the wizard setup? About10% of the setup is complete and the setup fails. I tried resetting to factory settings and trying again after making changes to my lap top but thisdoes not ma...