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VoIP – Kazoo 2600HZ – Single server – Digitalocean

Kazoo Single Server Installation on Digitalocean Server Prerequisites Create a droplet of CentOS 6 64 bit. Digital Ocean Set host name properly. Its better to set it on droplet creation time to check hostname, hostname -f           should show complete name of host hostname -i           should show IP of host   Its a better idea to stop kernel updates. edit yum configuration file   -   vi /etc/yum.conf to stop kernel update using yum, add this line in configuration  exclude=kernel*  in [main] settings  Now there are two methods to proceed 1) Installation…
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Networking – Access Point

An access point is a device, such as a wireless router, that allows wireless devices to connect to a network. Most access points have built-in routers, while others must be connected to a router in order to provide network access. In either case, access points are typically hardwired to other devices, such as network switches or broadband modems. Access points can be found in many places, including houses, businesses, and public locations. In most houses, the access point is a wireless router, which is connected to a DSL or cable modem. However, some modems may include wireless capabilities, making the modem itself the access…
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Networking – Interview Questions

1: What is the primary purpose of a LAN? The primary purpose of a local-area network LAN is to allow resource sharing. The resources may be devices, applications, or information. Examples of shared resources are files, databases, e-mail, modems, and printers. 2: What is a protocol? When computers communicate with each other, there needs to be a common set of rules and instructions that each computer follows. A specific set of communication rules is called a protocol. Because of the many ways computers can communicate with each other, there are many different protocols -- too many for the average person…
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VoIP – Features of VoIP Plateform

Automated Attendant Allows callers to be automatically transferred to a user’s extension without the intervention of a receptionist. Some businesses use the PBX telephone system to take the place of live representatives. They can be used to collect or distribute information, buy or sell products depending upon the imagination of the business. If the receptionist is currently on the phone or does not answer, the automated attendant can answer and take over. It plays messages that your own employees record for a personal touch, while accepting programmed options via key press to reach different departments or members of the organization.…
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GRUU – Globally Routable UA URI

What is a GRUU? When is it needed? GRUU stands for Globally Routable User-agent URI’s. Often there are situations where a single public user identity is common to many private user identities. In such cases, an incoming session request is ‘forked’ to the UE’s. This forking may be sequential or parallel. Sometimes, there may be a need to avoid such forking of requests to multiple UE instances, and we might need to send a request to a particular UE instance. For such scenarios we need the support of GRUU’s. When the use of GRUU’s become crucial? As mentioned above, a…
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Food for thought – the best diet for your brain

Food for thought – the best diet for your brain

Parents of students may be wondering what they can do to help. One thing they ought to consider in particular is diet and its potential impact on academic outcomes. Unfortunately, there’s relatively little research into the effect of nutrition on scholastic performance in young adults. But we do know that what we eat affects brain power. Research findings Let’s start with a brief overview of what the research says. Regular meals three times a day have been linked to higher academic performance in Korean adolescents, in a study from 2003. In Norwegian teenagers, regular meals (lunch and dinner) were negatively associatedwith self-reported learning…
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Steps to creating a standout resume (CV)

Steps to creating a standout resume (CV)

I have hired thousands of people over the course of my career, which means I have read tens of thousands of resumes. I’ve seen great resumes that have helped people launch thriving careers—and, unfortunately, I’ve seen plenty that have fallen flat. A resume is your first impression on a potential employer. And in many cases, it will determine whether you get the chance to make a second impression. At Lockheed Martin, it’s not unusual to get hundreds of applicants for a single job opening, so the competition is intense. It’s important to take the time to make sure you stand…
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Things you should always include on your CV

Capturing someone’s attention and making a great first impression in just six seconds is no easy feat. Now, imagine trying to do this without ever meeting that person. Sounds impossible, right? Well, if you’re a job seeker who submits an outstanding résumé that tells your “career story” in a succinct, easy-to-follow way, it’s actually very achievable. To ensure your résumé stands out (for the right reasons), there are a few things you’ll want to avoid and some you’ll definitely want to include, says Tina Nicolai, executive career coach and founder of Résumé Writers’ Ink. “Basically employers want to see where candidates have earned,…
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LCR – The Real Corruption behind Least Cost Routing

We have a little secret for you. Our team members have previously worked at places which carried millions of calls for Skype, Google Voice, Twilio and more. We’re all too familiar with poorly written APIs, slow number searches, DTMF problems, call quality issues, billing headaches and more. And based on our experience working at these firms, we’re committed to avoiding least cost routing, dialer and grey routes. Based on Monday’s ruling by the FCC, we think this matters a lot. (Official document and details here.) We’ll explain why, but first, some background. What is Least Cost Routing? Least cost routing is a simple…
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