Fail to download remote phonebook (XML)

[gradash]

Help please, phone is configured to take XML from
http://192.168.30.1/contacts.xml

Phone Version

Firmware Version 52.80.0.80
Hardware Version 52.0.0.0.0.0.0

XML:

<YealinkIPPhoneDirectory>
<DirectoryEntry>
<Name>human</Name>
<Telephone>489</Telephone>
</DirectoryEntry>
<DirectoryEntry>
<Name>human</Name>
<Telephone>624</Telephone>
</DirectoryEntry>
<DirectoryEntry>
<Name>human</Name>
<Telephone>630</Telephone>
</DirectoryEntry>
<DirectoryEntry>
<Name>Server Room</Name>
<Telephone>640</Telephone>
</DirectoryEntry>
</YealinkIPPhoneDirectory>



and allways Fail to download remote phonebook