Arabic char?

[admin]

Salaam

Please Help me

i want change phone(polycom 501,301)language to arabic character
this phone work with xml(only utf-8) file

i enter arabic word but show me(phone) rectangle
please help me

can i nested xml file ? if yes how ?

My XML File :
<?xml version="1.0" encoding="UTF-8" ?>
- <!-- $Revision: 1.22 $ $Date: 2005/09/08 18:47:51 $
-->
- <phrases>
<phrase i="0" t="بازگشت" />
<phrase i="1" t="تماس" />
<phrase i="2" t="ويرايش کانتکت" />
<phrase i="3" t="ويرايش" />
<phrase i="4" t="Up" />
<phrase i="5" t="ذخيره" />
<phrase i="6" t="بيشتر" />
<phrase i="7" t="جديد" />
<phrase i="8" t="تاييد" />
<phrase i="9" t="اضافه" />
<phrase i="10" t="پاک" />
<phrase i="11" t="اطلاعات" />
<phrase i="12" t="فرستادن" />
<phrase i="13" t="انتخاب" />
<phrase i="14" t="حذف" />
<phrase i="15" t="ورود" />
<phrase i="16" t="قفل" />
<phrase i="17" t="ديدن" />
<phrase i="18" t="Unblock" t.IP_400="Unblk" />
<phrase i="19" t="MyStat" />
<phrase i="20" t="Buddies" t.IP_400="Buddy" />