Hi, Everytime the UC560 installed in my network is restarted, the IP phones fails to make external phone calls. All phones and directory are registred and can make calls between the local directories. When someone tries to make an external call, the ...

Hi, I have a problem with registerting and updating the firmware for the SPA303 with UC560. IOS version: Version 15.0(1)Software Pack: 8.2As I added the SPA50x-30x load files using the CCA 3.0, I only can see the SPA500 series in my UC (which all 504...