/indra/newview/skins/default/xui/zh/panel_im_control_panel.xml

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<panel name="panel_im_control_panel">
	<layout_stack name="button_stack">
		<layout_panel name="view_profile_btn_panel">
			<button label="??" name="view_profile_btn"/>
		</layout_panel>
		<layout_panel name="add_friend_btn_panel">
			<button label="????" name="add_friend_btn"/>
		</layout_panel>
		<layout_panel name="teleport_btn_panel">
			<button label="????" name="teleport_btn" tool_tip="Offer to teleport this person"/>
		</layout_panel>
		<layout_panel name="share_btn_panel">
			<button label="??" name="share_btn"/>
		</layout_panel>
		<layout_panel name="pay_btn_panel">
			<button label="??" name="pay_btn"/>
		</layout_panel>
		<layout_panel name="call_btn_panel">
			<button label="??" name="call_btn"/>
		</layout_panel>
		<layout_panel name="end_call_btn_panel">
			<button label="????" name="end_call_btn"/>
		</layout_panel>
		<layout_panel name="voice_ctrls_btn_panel">
			<button label="????" name="voice_ctrls_btn"/>
		</layout_panel>
	</layout_stack>
</panel>