Yealink T22p Remote phone book

[moshe800]

Dear all,
I setup new Yealink T22P Firmware Version 7.72.18.2
And remote phone book xml file located on local IIS server.
when i try to view the remote phone book from the phone but i get the error:
fail to download remote phone book.
my xml format:

<xxxIPPhoneDirectory>
<DirectoryEntry>
<Name>Jam</Name>
<Telephone>103</Telephone>
<Telephone>104</Telephone>
</DirectoryEntry>
<SoftKeyItem>
<Name>0</Name>
<URL> http://192.168.0.18:8000/Test1.xml </URL>
</SoftKeyItem>
</xxxIPPhoneDirectory>