Adding signed certs to a Cisco Presence server isn’t as hard as you may think. In this article I attempt to go through the process from a newbie’s view.
A complete guide on how to upgrade the IOS image on your VG224 device. This should be good for the VG202, and VG204 as well. Upgrading the IOS on a VG is slightly different that a standard router – This guide should help you get the job done.
If your company sends all calls out a central location (i.e. the HQ), then you may have problems when someone at a remote / satellite office makes an emergency call. You don’t want emergency responders go to the wrong address because of a mis-configured phone system. You and easily fix this by installing a cheap analog line at each remote site, and routing emergency calls out of that.
A friend assumed a new roll providing IT services to a small firm of about 100 people, and has gone about trying to correct the problems with the current infrastructure. From what I’ve been told, they have non-Cisco VoIP phones
UCCX agents may get the error that they cannot login into CAD (cisco agent desktop) because one or more of the IP addresses have changed.
Find exactly what you are looking for using these include and exclude commands within the CIsco IOS. Pipe is your friend!
It’s not too hard to recover (well, actually reset) the admin password on a Cisco router. This article will walk you through the steps.
In this post I walk you through clearing out old (hung) SIP call on your CUBE. It turns out that I had calls for 4 months at a time before I finally cleared them out.
After upgrading our CUCM cluster to 8.5 (from 7.1) we noticed that some model phones lost access to the corporate directory. When pressing the button they would get the error “Host not found” on the screen. After some trial and error we found that this was related to the firmware used on each phone. For example, a 7970 would work fine with firware but when upgraded to SCCP70.9-3-1SR2-1S the host not found error would creep up.
It turns out that Cisco has introduced a new set of secure URLs for phones to access CallManager over https.