I added an attachment to appointment. But when I try to get appointment by GetItem API method I recieve an appointment without Content node. I don't want to use GetAttachment method because it cost me one additional request to the server. Can I get attachments' content by GetItem method?
<t:Attachments>
<t:FileAttachment>
<t:AttachmentId Id="AAMkADMzZjU2NjIwLWUzOWItNDFlZC1hNDY5LTIwNTVlODdjM2E4YwBGAAAAAAD3/WwqN7V6Saz7jIDwyy6pBwB0enfRGC/+T5l033DSyikwAAAA5OxPAAB0enfRGC/+T5l033DSyikwAAAA5RW8AAABEgAQAMWyPz5NHRZAmn0OqOSsLew=" />
<t:Name>Attachment.xml</t:Name>
<t:ContentType>text/xml</t:ContentType>
<t:Size>125</t:Size>
<t:LastModifiedTime>2013-01-29T08:40:48</t:LastModifiedTime>
<t:IsInline>false</t:IsInline>
<t:IsContactPhoto>false</t:IsContactPhoto>
<t:ContentId />
</t:FileAttachment>
</t:Attachments>