Hi We are running CUCM 11.5 with all SIP phones. Calls over WAN are disconnecting as soon as the RTP is attempting to establish when when phones are using TLS. However, everything seems to work fine when we use UDP in the device security profile. Eve...

Hi We have CUCM 10 running in our office. Everything was working fine and suddenly all the Cisco 7940/60 stopped working and started showing TFTP Server File Auth Error. When checking the status messages, we found - TFTP NOT AUTHORISED. Please assist

Hi, We have been able to successfully add VCS in Prime Collaboration Assurance and Analytics 10.5 however the endpoints registered with VCS are not displayed in the list of devices. Though, we have been able to add a video codec manually which origin...

Hi, we are in the process of demostrating Cisco Prime Collaboration 10.5 Assurance and Analytics and somehow are not able to pull Call Quality Graphs. The question is Is it mandatory to add a Billing Server to get the missing graphs. Thanks in advanc...