1package javax.sip.header; 2 3import java.text.ParseException; 4 5public interface ToHeader extends HeaderAddress, Header, Parameters { 6 String NAME = "To"; 7 8 String getTag(); 9 void setTag(String tag) throws ParseException; 10 boolean hasTag(); 11 void removeTag(); 12 13 String getDisplayName(); 14 String getUserAtHostPort(); 15} 16