Posts

Showing posts with the label collaboration

How to - Removing CTL and ITL from 7900-series phones via SSH

Image
Which Cisco UC engineer does not know the challenge when he runs a CUCM in mixed mode: How to remove a Certificate Trust List on a phone nobody has physical access to during a CUCM migration? The normal way like using the same security tokens on old and new CUCM is not possible. Sending somebody on site during the migration is also not possible. These limitations raised the need for an alternate solution. After some testing, I decided to create a small Python script. The final script connects via SSH to the phone and uses the test key functions of the Cisco SIP phone debug-mode to press the required phone buttons via command line interface. Main requirement is to enable SSH for phone on the CUCM and to configure a username and password for the SSH access. The following script is based on Python 3.4 and uses as additionally Paramiko for the possibility to connect via SSH to the Cisco IP phones. Besides Paramiko also the time class is required to implement some d

Review - Cisco Collaboration Specialist Training 2015 Lisbon

Image
Some weeks ago I get the invitation to join the Collaboration Specialist Training from Cisco hold in the Cisco Office in Lisbon. 4 days full of sessions and labs around the different Cisco collaboration products. The combination of the attractive city of Lisbon together with a great agenda around Collaboration Meeting Rooms (On-Prem, Hybrid and Cloud), Cisco Endpoints,Jabber and Cisco Spark sounded very interesting to me. Journey: Because of the training start on Tueday morning 8:30 am I took the late flight on Monday from Munich to Lisbon.  The flight across Lisbon was the first great moment on that trip and increased anticipation to 4 days full of learning and networking. The arrival to Lisbon shortly before midnight was already impressive and a very good start into the week. After the arrival I tried to get a taxi to my Hotel and was completely surprised that Uber was working great  (since the Partner Training ealier this year I'm a real Uber fan). After my