1.0 Introduction
This document describes the Point-to-Point Tunneling Protocol (PPTP) developed by the PPTP forum. The forum consists of the following organizations: Ascend Communications, Microsoft Corporation, 3Com/Primary Access, ECI-Telematics, and U.S. Robotics.
The PPTP protocol is designed to perform the following tasks:
Query the status of comm servers
Provide in-band management
Allocate channels and place outgoing calls
Notify Microsoft® Windows NT® Server on incoming calls
Transmit and receive user data with flow control in both directions
Notify Windows NT Server on disconnected calls
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