In WM 5.0 2 new LSPs are present by default, the dtpt_lsp and the autobind_lsp. This article will discuss the dtpt_lsp and the next article will talk about the autobind_lsp.
Desktop Passthrough (DTPT) is the technology that allows the CE device to talk on the desktop network while Active Sync is running.
DTPT is implemented using a socket level proxy technology. A transport proxy client runs on CE, while a proxy server runs on the desktop as part of active sync. DTPT_LSP is that transpart proxy client.
DTPT_LSP effects the following winsock calls:
def WSPConnect (addr) :
[Author: Igor Dvorkin]