Yes, another upgrade and more with it. This one was very special and I was totally blaming myself after the TAC engineer helped me figure it out.
I was always told, or I remember it was good practice to always get the latest Upgrade file from CCO Downloads page for everything. Well I did that and found myself into an issue.
The scenario:
Customer Upgrading CUCM, CUC and IM&P servers from 9.1.2 to Version 10.5 (No issue here):
Hi there, today I have a customer that wanted to upgrade from CUCM 9.1.2 to 10.5 - which sounds pretty easy… think again, so this is a BE6K deployment where CUCM instance was configured with the recommended OVA from CCO. When starting the upgrade I found that the upgrade didn’t wanted to proceed as expected. and I was getting the following error:
Installation of UCSInstall_UCOS_10.5.1.10000-7.sgn.iso failed
An error has occured but no messages are available. This can happen when another administrator is working on the system at the same time and triggers an error.
Cisco Live 2014 – San Francisco
Just wanted to take this time to talk about my experience at Cisco Live 2014, representing the Modcomp team.
It was a great experience and a nice way to meet with people that is in the same boat you are, Engineers that are seeing the same issues you see and others that have it all figured out (You want to be like them!!).
So just to get you started off the narration of this adventure, I wanted to start by adding few things that I think deserve to be mentioned:
So in the traditional Campus Design it used to be Layer 2 from the Access Layer to the Distribution and to the Endpoints, running Layer 3 on the Distribution and the Core, and in most of the cases, you will have a Core/Distribution approach called Collapsed Distribution Core. as shown in the example:
Now moving from that model to a new and recommended approach you can take a look at the Layer 3 or Route Access layer Design, this one has many benefits as follows:
Hi there, I have been looking at the new collaboration edge deployments, in order to support Jabber from remote networks without the need of using a VPN (What a relief!!! - I was actually getting slammed from customers because of the lack of options from Cisco). Doing some research I was able to find the following documents:
Collaboration Edge with Cisco VCS Expressway:
Cisco TelePresence VCS Cluster Creation and Maintenance: www.cisco.com/c/dam/en/us/td/docs/telepresence/infrastructure/vcs/config_guide/X8-1/Cisco-VCS-Cluster-Creation-and-Maintenance-Deployment-Guide-X8-1-1.pdf
So I stumbled into this topic with a customer and was having few issues to understand the mechanics of this simple step, my customer is having issues with quality on the music on hold.
Here is what I did:
Looked up in CUCM Flash and found a media file that I was going to use as MoH.
media/music-on-hold.au
First I started by working on my Transcoder:
voice-card 0 * dsp services dspfarm*
I was just reading the following Article and wanted to add few things that helped me solve my issue:
http://uctickets.wordpress.com/2014/03/21/11-sip-9971-phone-unable-to-complete-pstn-calls/
*** bearer-cap speech *** This simple command also fixed an issue I had with Jabber clients calling from Softphone mode to cellphones, and they were getting straight to the voice mail of that particular cellphone.
At first it looks like a simple issue with the phone company, but then you start re-thinking it because it happens with every cellphone you make and with every SIP device you have connected to CUCM.
Hi there, so today I wanted to bring up something that was very confusing to me long time ago. The concept of MGCP, H.323 and SIP.
these 3 are very big and there is a lot of information about them, I just want to explain with my own words what every single protocol means for me and the way I had to put it in my head before I was able to understand the technology behind it.
