T48G - Remote Phone Book with photo support

[marcosoft20085]

T48G - It will be nice if the remote phone book xml file includes a tag for a contact photo e.g. <Photo>http://some_ip/images/user.png</Photo>

<YealinkIPPhoneDirectory>
<DirectoryEntry>
<Name>Pizza Hut</Name>
<Telephone>3058267111</Telephone>
<Telephone>3058264455</Telephone>
</DirectoryEntry>
<DirectoryEntry>
<Name>Dominoes Test</Name>
<Telephone>3054444444</Telephone>
</DirectoryEntry>
</YealinkIPPhoneDirectory>