发明名称 METHOD, APPARATUS AND SYSTEM AND FOR REDUCING DOWNLOAD OF REDUNDANT ATTACHMENTS
摘要 A method, apparatus and system for reducing download of redundant attachments to a communication device from a server is provided. An identifier of an attachment to a message, for transmission from the server to the communication device, is compared with identifiers of attachments already stored in a memory at the communication device. The communication device is caused to retrieve a copy of the attachment from the memory if a match is found between the identifier and the identifiers of attachments already stored in the memory.
申请公布号 CA2696440(A1) 申请公布日期 2010.09.27
申请号 CA20102696440 申请日期 2010.03.11
申请人 RESEARCH IN MOTION LIMITED 发明人 WILSON, NICHOLAS BRYSON
分类号 H04W4/00;H04L29/02 主分类号 H04W4/00
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