you can't, it was designed that way. The only solution is to hope that next version of gtalk will have an option of disabling
You can use Gtalk in the mobile phones easily. This can be used to chat with Google contacts. The contacts can be added via sending them a request.
You have to install the GTalk if it is not available. Gtalk is the instant messaging service of Gmail. It allows sending and receiving messages from Google Contacts.
Orkut was a social network developed by Google. It was officially closed on 16 September 2014. Google announced that no more accounts will be created on that.
It isn't possible to reactivate a deleted orkut profile; however, you can create a new one. The best solution for is, export your contacts to your Hard disk (in gmail contacts options or in orkut in friends options) and again import contacts and send them request after creating new account.
1.Go to the profile of the user. 2.Click on Ignore user tab given on left side 3.Open your Gtalk and click on settings link given on the top 4.Click on blocked users Now you can see the Email ID which was previously invisible to you. ie in short Orkut profile>Ignore user>Gtalk settings>Blocked users>Email ID
Yes, Gtalk works on Samsung devices well. You have to configure it with your account. As soon as you configure it, you can see your contacts.
In order to sign out of Gtalk labs, you have to log out of Gmail. The Gmail account is at top of the Gtalk. Signing out Gmail signs out of Gtalk too.
You can add mobile number in Gtalk easily. Adding one to the Gmail account adds it to the Gtalk. Gtalk contains phone numbers as users can call you.
You can open Gtalk from Gmail not the opposite. It is because Gtalk is a part of Gmail. It is not the other way around.
The password at Gtalk is same of Gmail. It is because Gtalk is a subset of Gmail. Gmail is the one that's password is unique.
Sign out in gtalk and open gmail and become invisible.