From the Contact List window, perform one of the following:

From the Account drop-down list, select the account you want to use for the conversation.

This one is one of your accounts.

In the Contact ID text box, type the identifier of the contact you want to have a conversation with.

You have to enter the identifier as it has been inserted when adding a new contact to your contact list. If you are trying to start a conversation using one of your IRC accounts or a SIP account, you have to enter the exact nickname or the exact SIP address of the contact.

To start a text conversation, click on Chat; to start an audio conversation, click on Call.