Good day.I have a CUCM that has a SIP trunk to PSTN/ITSP and another SIP Trunk to Asterisk. A user on Asterisk is suppose to make a call to PSTN via CUCM. As soon as the called party answers the call disconnects. Codecs are the same along the call le...

Hi all.Can the above be installed on AWS and the procedure? If not which cloud can be used?

Good day all.Please assist with high level steps for configuring an AA on Unity to play recorded promo messages when certain digits are pressed. Example is press 1 for info on Books and 2 for info on Movies. When 1 or 2 is pressed a recorded info wil...

Hi all.I have a Cisco 4221 ISR which does not accept "ip nat enable" command on interface configuration.  Below is its IOS version. What can I do to get this command?Cisco IOS XE Software, Version 16.06.03Cisco IOS Software [Everest], ISR Software (X...

Hi all.I have a Cisco ISR4221 Router with a public IP address for internet on Gi0/0/0 and LAN is connected on Gi0/0/1. I also have a second public IP address subnet that is configured as a sub-interface GI0/0/0.100 which has a static NAT for a web se...