I just purchased and installed the UC 320 along with 8 client phones (SPA 508G.)  The whole system works great and so much better than the SPA 9000.  I want to add an IP based conference call phone.  I looked at the CISCO models and it looks like the...

After about 6 months I have finally been able to get a working implementation here with SPA 400 / SPA9000 and 6 client phones (all SPA508G model).  I am having some lingering quality issues with the system that I would appreciate feedback on if anyon...