HelloI am experiencing some strange issue with my VOIP in 1 of my branches.  our branches are connected thru IP VPN and 1 of our branches are able to call our office in HQ (ringing but no voice) other branches are able to call our office without any ...

Good day! I was designing our up coming office/project and we wanted a redundant links from router up to access layer switch.  I have done from core to access switch using HSRP on Core switches.  If possible we are planning to add 2 routers and bind ...

I have question if it is possible to block a particular group of extension number to call other extension number....   5XX not allowed to call 2xx, 3xx, 4xx 2xx, 3xx, 4xx not allowed to call 5xx   btw. I'm using 1 Cisco Call Manager 11.5 and telephon...

Hi I am having the same issue we have checked the power cable and tested it and it it is okay but still I am having same issue with power supply 1 nvironmental alarms:system minor alarm on power-supply 1 power-output-fail (raised 1d00h ago) backpl...