India celebrating the Rabindranath Tagore's 150th birth anniversary. On this celebration Reserve Bank of India launched the 150 Rupee coin in the memory of Nobel Winner Sir Rabindranath Tagore. Newly launched 150 Rupee coin is about 40 mm in diameter and It's weighs is about 35 grams. The coin of 150 Rupee contain Rabindranath Tagore image on one side and on another side it will contain the image of Ashok Stambha.

For coin booking visit: http://www.mumbaimint.in/ its a goverment website where you can book coins and currencies.

Mail sent by Narayan Murthy to all Infosys staff:   

It's half past 8 in the office but the lights are still on...  
PCs still running, coffee machines still buzzing...  
And who's at work? Most of them ??? Take a closer look...  

All or most specimens are ??  
Something male species of the human race....  

Look closer... again all or most of them are bachelors...  

And why are they sitting late? Working hard? No way!!!  
Any guesses???  
Let's ask one of them...  
Here's what he says... 'What's there 2 do after going home...Here we get to surf, AC, phone, food, coffee that is why I am working late...Importantly no bossssssss!!!!!!!!!!!'  

This is the scene in most research centers and software companies and other off-shore offices.  

Bachelors 'Passing-Time' during late hours in the office just bcoz they say they've nothing else to do...  
Now what r the consequences...  

'Working' (for the record only) late hours soon becomes part of the institute or company culture.  

With bosses more than eager to provide support to those 'working' late in the form of taxi vouchers, food vouchers and of course good feedback, (oh, he's a hard worker.... goes home only to change..!!).  
They aren't helping things too...  

To hell with bosses who don't understand the difference between 'sitting' late and 'working' late!!!  

Very soon, the boss start expecting all employees to put in extra working hours.  

So, My dear Bachelors let me tell you, life changes when u get married and start having a family... office is no longer a priority, family is... and  
That's when the problem starts... b'coz u start having commitments at home too.  

For your boss, the earlier 'hardworking' guy suddenly seems to become a 'early leaver' even if u leave an hour after regular time.... after doing the same amount of work.  

People leaving on time after doing their tasks for the day are labelled as work-shirkers...  

Girls who thankfully always (its changing nowadays... though) leave on time are labelled as 'not up to it'. All the while, the bachelors pat their own backs and carry on 'working' not realizing that they r spoiling the work culture at their own place and never realize that they would have to regret at one point of time.  

So what's the moral of the story??    
* Very clear, LEAVE ON TIME!!!  
* Never put in extra time ' unless really needed '  
* Don't stay back unnecessarily and spoil your company work culture which will in turn cause inconvenience to you and your colleagues.  

There are hundred other things to do in the evening..  

Learn music....  

Learn a foreign language...  

Try a sport... TT, cricket..........  

Importantly,get a girl friend or boy friend, take him/her around town...  

* And for heaven's sake, net cafe rates have dropped to an all-time low (plus, no fire-walls) and try cooking for a change.  

Take a tip from the Smirnoff ad: *'Life's calling, where are you??'*  

Please pass on this message to all those colleagues and please do it before leaving time, don't stay back till midnight to forward this!!!  

IT'S A TYPICAL INDIAN MENTALITY THAT WORKING FOR LONG HOURS MEANS VERY HARD WORKING & 100% COMMITMENT ETC.  

PEOPLE WHO REGULARLY SIT LATE IN THE OFFICE DON'T KNOW TO MANAGE THEIR TIME. SIMPLE !

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 Source:http://www.airtel.in/

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The longest annular solar eclipse of the third millennium will occur on January 15.

There won't be an annular solar eclipse longer than this one till 3043. An annular eclipse is when the sun is visible like a ring of fire, with the moon darkening its centre.

The last annular solar eclipse visible from India was in 1976. Even then, it could only be seen from the northeast parts of Jammu and Kashmir.

""Most of India will be able to see partial phases of the eclipse which will first touch the western side and then travel in a northeasterly direction", according to Nehru Planetarium Director N. Rathnasree. The extreme southern parts and southern tip of Mizoram will be able to see the annular phases of the eclipse, she added.

In Mizoram, the eclipse will last from 12.18 pm to 3.32 pm, with an annular phase of three minutes from 2.03 pm. Delhi will only see a long partial eclipse from 11.53 am to 3.11 pm.

Source: Hindustan Times

This is not Systematic Investment Planning! This is the very protocol that enables telephonic conversation through the computer in a cost effective manner – Session Initiation Protocol.

 What is SIP?

Ø     This is an Application Layer Control Protocol which is based on Client-Server model with requests generated by one entity (the client), and sent to a receiving entity (the server) which responds to them.

Ø     SIP transparently supports name mapping and redirection services, allowing the implementation of ISDN and Intelligent Network telephony subscriber services.

Ø     A request invokes a method on the server and can be sent either over TCP or UDP.

SIP Request & Response -

SIP components communicate by exchanging SIP messages:

Requests:

INVITE                 “Would you like to chat?”

ACK                     “Thanks, received confirmation. Let’s chat”

BYE                     “Okay, I’m ending the call now.”

CANCEL                “Cancel that last request but don’t endthe call”

OPTIONS              “What functionality do you support?”

REGISTER             “Direct all my calls to this phone.”

SIP Responses:

1xx - Informational

2xx - Successful

3xx - Redirection

4xx - Request Failure

5xx - Server Failure

6xx - Global Failures

SIP Components -

There are three components in SIP architecture, namely, user agents, network servers

and SIP messages.

Ø     User Agents

A user agent is an application that acts on behalf of a user. It can act both as a User

Agent Client (UAC) and User Agent Server (UAS).

Ø     Network Servers

There are 4 kinds of network servers used proxy servers, redirect servers, registrar servers and SIP servers.

Ø     SIP Messages

SIP messages are typically of type requests and responses.

 References:

1.     H.M, Deitel and P. J. Deitel, ‘JAVA How to Program’,Prentice-Hall of India Private Limited, Fifth Edition.   

2.     SIP Specifications and the Java™ Platforms - The look and feel of SIP; Author: Phelim O’Doherty – Sun Microsystems, Inc.      

3.     Phelim O'Doherty, 2003, "identify the specifications to the Session Initiation Protocol (SIP) defined through the Java Community Process(JCP)“.