So far there are many articles already written about the ways to unblock several sites like Orkut, facbook, bebo etc. Now what about the blocked messenger services like Gtalk, AIM, Yahoo Messenger or MSN.
If you are looking for a way to unblock only the messenger services then may be MEEBO would be the best solution for you. Meebo is a web based instant messenger client that allows us to login to our Aim, Yahoo, MSN or Google instant messenger accounts from the Meebo homepage.
Now what if even the MEBO home page also blocked to overcome this situation MEBE administrator has already came with a solution called MEBO Repeater which is well capable to handle all the things needed. It will automatically tell you the internet address that you will have to use to connect to Meebo and yes it is very safe and private.
So if there is no solution left to connect with your friends then try the above solution and get out of the barred world.
You can also use http://webuzz.im/ web messenger to access all those Gtalk, Yahoo, MSN messengers