Welcome to my blog...!!!

Hello,

I am really excited to launch this "Telecom Tech Source" blog, because this blog is going to be very useful for folks who are looking for more technical help in Telecommunications especially Unified Communications.

Coming to me, I had 7 Years of AVAYA Technical Support Experience. I hope you have got an answer by now, why I did chose this kind of blog? Yes, you are right!

Still left with plenty of questions in mind about this blog and future posts/pages -- such as:
- How to organize the content of this blog?
- Is it OKAY if I first start posting about AVAYA EPBX or not?

I already wasted lot of time thinking about the content of this blog and the way I organize it. Now, without any delay, I am going to launch this blog first and will make the changes in blog's content to bring a more structured way. I would also seek your feedback and suggestions.

With all the help expected from the viewers/readers I am launching this blog. I really appreciate if you could help me in making this blog more valuable. Thanks in advance!

Kindly looking forward for your support and suggestions.

Thanks,
Rajesh

Comments

LESSON 1: SIP: BASIC CALL FLOW (PEER-TO-PEER)

Alert: If you HATE long posts, stop reading and click here . The Session Initiation Protocol, a VoIP protocol, used for originating and termination of media sessions like voice, video, IM, presence etc. Before we enter into the more technical details of SIP, let's refresh our basic telecom VoIP skills. I'd like to insist here that SIP is a signalling protocol, its NOT a media protocol -- which means it is a set of rules use to control the signaling part of a media session. It doesn't have any control on media. So let's not wait to start the basic call flow of SIP. Key terms: It is important to familiarize with these terms in order to understand basic SIP call flow. Here are few of them: Call flow : It's a flow diagram of SIP messages -- shows an ideal way how a media session carried over two endpoints. Its a must know thing and will be useful for your troubleshooting as well. Endpoint: Any device which is used to originate and terminate ...

WORDS OF LIFE: KNOW THE DIFFERENCE AND MAKE THE DIFFERENCE

Today's blog is all about "words of life". If you know the difference of understanding these words, then I surely can say that you can make the difference. You can make the difference, if you start seeing them different. Enough of saying 'differences' , let me take you to the actual content what I would like to take you through. Before we enter the post....What is this topic about? Why am I posting this? Allow me to explain. Understand this, out of this telecom world, I am a common man who always wish to Make The Difference wherever I am interested in. The way we have grown, in our childhood and then later, makes lot of impressions in our mind and becomes "belief" while time flies. At times you see these impressions, instead I'd call them beliefs, limit them knowingly or unknowingly. Every person in the world come across them. So, I am also a person with lot of beliefs. We can call these beliefs (or) principles as "Tenets...

LESSON 5: SIP REGISTRAR SERVER AND LOCATION SERVER

If you hate long posts as I always suggest go through this video lesson (click here) Now, we already know that in real SIP world, any UA when it wants to communicate with another UA should take the help of “SIP Proxy Server” - which finds the actual location. Because it is not practically possible to remember all other UA’s addresses. All good till now. The next question which comes to mind is How a Proxy Server able to find contact address of an User Agent(Called Party). Here, Proxy Server takes help of “Location Service”. Location Server Location Service helps in providing the exact location of UA. Location server is a server which records and maintain the contact information of each and every UA with in a typical enterprise. Location Server has its own database, which keeps up-to-date info of each UA by another Service called “Registration Service”. The Server which provides this service called as a “Registrar Service”. Registrar Server Th...

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