This one was a very funny one and I’d like to share with you. After an install of a remote office using the following equipment: CIsco 2901 with an ISM for CUE and an AutoAttendant that when the office is open sends the call to a Hunt Group in CUCM and when they are close […]
Unity Express AA Transfer no Ring-back – Perception is Key! Read More »
In order to organize myself for my lab preparation I need to work on my speed and accuracy, so I created quick and very general Lab outlines, which will be covering CUCM as of now. I created them so that I can guide myself and know where to begin, where to stop and don’t burn
CCIE Collaboration Labs by Technologies Read More »
Just for curiosity, I would like to know how is the people on this group preparing for the CCIE Collaboraiton Lab, right now here is my preparation and roadmap: I have completed a lab in order to be able to study most of the technologies included in the blueprint, here is what I have: 3
How are you preparing for the CCIE Collaboration LAB ? Read More »
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.
Upgrading CUCM from 9.1.2 to 10.5 – Issues Read More »
Hi people, I wanted to take this opportunity and share my toolbox and workflow with you. In case you don’t know who I am and what I do here is a quick reference note. What I do and who I am: I’m a Lead Technical consultant specialized in Cisco Unified Communications and Collaboration (a mouthful,
Andres’s toolbox, workflow and more… Read More »
I was just reading the following Article and wanted to add few things that helped me solve my issue: #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
SIP Devices unable to stablish PSTN calls Read More »
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
CCIE Collab – Gateways and Trunks in CUCM Read More »
