In 2014, for the first time in Locked Shields history, VOIP topic was brought to the […]
Category: VOIP
Blue VOIP Systems Misconfiguration for Locked Shields 2014
The article aims to examine misconfiguration of Cisco Unified Communications Managers 8.5.1 (CUCMs) that represented […]
VOIP Scenario for Locked Shields 2014
In a couple months ago I was asked to bring VOIP topic to the Locked […]
VOIP HOME LAB - 1.11 Filtering Traffic on Headquarters Router with Access Lists
In a previous tutorial we have configured SIP trunk and route patterns which allow users […]
VOIP HOME LAB – Part 1.10 Connecting Headquarters and Branch via SIP trunk
The tutorial discuss configuration steps that are needed to connect Headquarters and Branch office using […]
VOIP HOME LAB - Part 1.9 Cisco 2621XM and Belkin N+ Router Configuration
This is another tutorial from the series of VOIP tutorials that describe building VOIP home […]
VOIP HOME LAB - Part 1.8 Cisco Unified Communications Manager 8.5.1 Configuration
In a previous tutorial we completed Cisco Unified Communications Manager 8.5.1 installation. In this tutorial […]
VOIP HOME LAB - Part 1.7 Cisco Unified Communications Manager 8.5.1 Installation
This is another tutorial from the series of articles that describe building VOIP lab at […]
VOIP HOME LAB - Part 1.6 Cisco Catalyst 3550 Switch and Belkin N+ Wireless Router Configuration
Cisco Catalyst 3550 plays several important roles in our voice home lab. Firstly, it is […]
VOIP HOME LAB - Part 1.5.2 Open vSwitch and VMware Workstation Configuration
In a previous tutorial we described how are the network devices and virtual machines connected in […]