Gtalk is available in iPhone too along with desktop. You can easily change the status there. You have click on your name at the top and then you can change.
An instant messenger on your iPhone means that you are able to message people only by either Yahoo, Gtalk, Facebook Chat or other web based chats.
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.
GTalk and Google Docs are separate Google products. You can collaborate with others using Google Docs by granting permissions. You collaborate using text. The collaboration panel is visible on the right side of the document (for left-right reading languages). Adding GTalk would duplicate the collaboration panel. GTalk does not involve developing documents, although you can send files.
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.
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.
You Cant Instal Gtalk on SE W595. Only Blackberry and windows mobile based phones support Gtalk Application.
Where to Download Google GTalk Program Directly From Google
The HTC Status is a better phone than the iPhone 3 because it has better features.
Gtalk settings are inside the Gmail settings. Gtalk is a part of Gmail so their settings are together. You can find it's settings when you go to account settings.