Set Google Talk

How do i set up the PBX to forward calls to my Google Talk,
I can’t understand what exactly i have to insert.
whether its my user name or the whole email address also, what to i have to to do with the



Please enter your entire Google talk email address , preferrably a but others should work OK as well

In your contact list for the Gtalk application ( Not hangouts) enter that email as a contact

Vtok also works well for IOS or Android users