First of all some shortcuts that might improve your interfacing with Gtalk :
- F9: Open Gmail compose page to send an email to your friend.
- F11: Start a call with your friend.
- F12: End the current call.
- ESC: Close the current conversation window.
- TAB:Swithc between Gtalk chat windows
Some other facts on Gtalk :
- Max length of any message is 32767 characters.
- Gtalk can recognise certain smileys and dsiplay them in blue colour.E.g :).:D,:P
- You cant format more than 100 characters at a time i.e you cant bold or italicise.
- Right clicking on the message notification window will close it.