Share via

Desktop Passthrough LSP

  • Article

A version of this page is also available for

Windows Embedded CE 6.0 R3

4/8/2010

Desktop Passthrough (DTPT) is the technology that allows the Windows® phone to talk to the desktop network while ActiveSync is running.

DTPT is implemented using a socket level proxy technology. A proxy server runs on the desktop as part of ActiveSync, while a transport proxy client runs on the Windows phone. This transport client is the DTPT LSP.

The following is the sequence of winsock calls made by the DTPT LSP:

def WSPConnect(addr):
    if is_dtpt_enabled():
        connect_to_dtpt_server()
        dtpt_server_connect_to(addr)
    else:
        let_connect_call_passthrough_to(addr)

See Also

Concepts

Multiple Transport Protocols
AutoBind LSP

Other Resources