VOIP HOME LAB - Part 1.5.1 Open vSwitch Configuration - Introduction

So far we have installed Windows 7 and Linux Core on VMware Workstation virtual machines. We want to connect these virtual machines into our VoIP home lab. To do this a central connection point must be deployed on the computer where virtual machines are installed. The point must be able to assign traffic from virtual machines to different VLANs and tag […]
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VOIP HOME LAB - Part 1.4 Linux Core 5.x x86 Installation on VMware Workstation

This is another tutorial from the series of articles that describe how to build network infrastructure for voice home lab. The tutorial shows installation of Core 5.1 x86 Linux on VMware Workstation 10. Installation of Linux Core on Qemu is explained here and here in more detail. Although both installation methods achieve the same result, the first method […]
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VOIP HOME LAB - Part 1.1-3 VMware Workstation on Debian Linux, Windows 7 on VMware Workstation and CIPC Installation

You are reading the second from the series step-by-step tutorials that can guide you to build a network infrastructure for your home voice lab. The tutorial explains how to install VMware Workstation 10 on Debian Linux and installation Windows 7 on a VMware virtual machine. Afterwards Cisco IP Communicator – CIPC will be installed on Windows. Note: […]
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VOIP HOME LAB - Part 1 Building Network Infrastructure

In the tutorial we are going to setup network infrastructure for a voice lab based on Cisco Unified Communication Manager – CUCM. First we install VMware Workstation 10 on Debian Linux. Afterwards Windows 7 is going to be installed on VMware virtual machine. Once Windows installation is finished a Cisco IP software phone 7960 – Cisco IP […]
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How to make Cisco Unified Communication Manager bootable ISO from non-bootable image on Linux

Here are the exact steps that help you to make bootable CUCM ISO image from non-bootable ISO image on Linux. If you want to do the same on Windows I strongly recommend to read this tutorial. I could not write my tutorial without reading it first. Introduction Typically, non-bootable CUCM images are those available for […]
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How to delete “non-existent” VG224 from database of Cisco Unified Communication Manager 7.0

Today we faced very strange behaviour during addition  new VG224 to  the database Cisco Unified Communication Manager 7.0.2: It looked like VG224 couldn’t be added to database because it was already sitting there. We went to find page and we tried to look it up according to Name (last 10 digits from MAC address of  […]
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