Hello Support Forum, I am completely new to the ASA/Firewall world, and I have a question regarding the upgrade process from my ASA5520 to the new ASA5525-X security appliance.  I was able to recreate everything from the 5520 in the 5525-X ASA, howev...

We are experiencing an issue where a Site-to-Site VPN branch office is able to communicate with our CUCM Publisher (192.168.1.x/24) residing on an MPLS network on the backside of our data center switch, however, it cannot communicate with the CUCM Su...

We had some numbers relocated from a PRI circuit as VTNs on a SIP trunk and began to received Error 4404 at our outside interface when placing calls to the numbers.  We programmed the dial-peer (23) into the router, and have never had an issue with t...

Question regarding the possible restructure of our UC voice network. Current UC Implementation: Cisco Unified Communications 8.6.x DIDs/DNs are assigned to a respective SIP trunk that terminates at the gateway (ISR router) located at each branch off...