Calling allins with low PP ITM

[oyvindgee]

Party Poker
No Limit Holdem Tournament
Blinds: t300/t600
3 players

Stack sizes:
Button: t7052
Hero: t7205
BB: t5743

Pre-flop: (3 players) Hero is SB with 4[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/heart.gif[/img]
<font color="#cc0000">Button raises all-in t7052</font>

This is a call just about every time, right? I suppose it's very basic so I found out I couldn't play another SnG without knowing.