I have a Cisco S370 and generated a certificate Key to block HTTPS pages.I require a CA signs the certificate generated by the Cisco S370, but the CA returns me an error and asks the key is changed to 2048, but I have no option to do this in the GUI,...

HiI have a problem I describe below The problem is do I have 3 sip phones 9971 the phones can make a phone call but when i Try to do a video call don't working i have a switch 3com 4500G enabled with voice vlan Also I configured all the port over the...