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How to secure Openfire XMPP server

Introduction Instant Messaging (IM) or chat is a service used broadly today in many applications like google talk or the more recent google Hangouts, Yahoo! Talk etc. It is based on the Extensible Messaging and Presence Protocol (XMPP) or Jabber protocol. Usually, a client-server architecture is followed, where specially-built XMPP clients exchange XMPP messages with XMPP servers who propagate the ...

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How do iBeacons work?

iBeacons are certainly a trending topic recently. They allow indoor positioning, letting your phone know that you are in range of a beacon. This can have many applications: from helping you to find your car in a parking garage, through coupons and location-aware special offers in retail, to a whole lot of apps that we can’t imagine right now. There ...

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Gateway interaction in Smack API

Gateway interaction is described by XEP-0100. The query xmlns (namespace) used for this is same as IN-Band registration, that is “jabber:iq:register”. Smack API provides an easy way handle gateway interaction with the server. It has predefined classes for the required namespace and operations which one can easily use and do the thing. In this article I will explain how one ...

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Telecommunications for Dummies – Telecom Basics and Introduction to BSS

Introduction This post is intended to be a crash course for beginners who wish to understand at a “broad level” how Business Support Subsystem components work in a telecom carrier’s network and more importantly how they connect to the telecom network elements over standard protocols. Hence, the text is more “conversational” in nature rather than completely “technical”. Elementary examples of ...

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Mobicents Diameter has a new home.. powered by git!

Due to the increasingly number and complexity of sub-projects, Mobicents has been splitting it’s projects under independent project homes. We are now at a transition stage, where each project lead will migrate his project at the appropriate time. For Diameter, after our major release (1.4.0.FINAL), it seemed the best time to do this migration. The new home of the Mobicents ...

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Net Neutrality Simplified – Information super-highway analogy

A few months back, during an informal discussion with a colleague – the concept of net neutrality came along. During this discussion, a very interesting analogy was made with respect to the information super-highway. I am extending that analogy into a story-board, and which I feel would serve as a helpful tool to understand net neutrality. First we will review ...

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Openfire server configuration – Infrastructure for Instant Messaging

This tutorial is the second part of the “Setting up an infrastructure for Instant Messaging” article series. After installing the Openfire server (“Openfire server installation“), we are now ready to create some users. Login to the admin console and choose “Users/Groups”. There you should see the existing users under “User Summary”. Only “admin” is currently existent, so choose “Create New ...

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Openfire server installation – Infrastructure for Instant Messaging

This tutorial is the first part of the “Setting up an infrastructure for Instant Messaging” article series. In this tutorial, we are going to setup an Instant Messaging infrastructure for a private intranet. This should come really handy if you don’t wish to depend on solutions running on the internet or if your network administrator has blocked all the traditional ...

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