Application Notes
Phenominal Return on Investment

Recent Engage customer migrations from ATM to IP / MPLS networks have saved as much as one-million dollars in annual recurring telecommunications charges with an ROI less than one-year.

The compelling economics of ATM to IP migration, which is one of the primary reasons ATM is reaching End Of Life, will continue to drive telecom budgetary decisions and the use of Engage Communication IPTube solutions to maximize ROI.


 Transitioning Circuits from ATM to Ethernet

Major Telecommunication and networking service providers, due to ATM equipment manufacturer's End of Life announcements, are expediting their deployment an all IP backbone.  This transition affects traffic from legacy Circuit based equipment that is currently converted to ATM Cells but must now be converted to IP packets.

Engage seamlessly performs this circuit to IP packet conversion preserving the legacy equipment investment, maximizing ROI, and easing the pain of ATM’s demise.

The Engage Communication IPTube product family enables legacy T1/E1, T3/E3, and serial RS232/530/V.35/X.21 equipment previously connected through ATM networks to connect to IP networks, and to make these connections seamless. They include advanced features such as:

                                                                      Echo Cancellation
                                                                     • Assured Delivery Protocol
                                                                     • Data Compression
                                                                     • Automatice Circuit Protection
                                                                     • Independent IP packet redundancy

IPTubes are deployed all around the world for the full range of Circuit applications for Enterprises, Service Providers and Military communication applications. Engage Communication has specialized in the conversion of Circuits to Packets since 2000 and the conversion of Synchronous Serial to Packets since 2006.

Time Division Multiplexed Circuit Emulation
Serial Circuit Emulation
Asynchronous Transfer Mode

ATM, or Asynchronous Transfer Mode, came into prominence in the 1990s to transport non-real time and real-time information over a single network. At that time, packet networks did not offer the reliability, quality of service (QoS), and security necessary to transport real-time or critical traffic. Today’s IP packet networks, however, have evolved to high levels of reliability and security with deterministic QoS capabilities, and are often used for end-connection, backhaul, and backbone applications of mixed real-time and non-real-time traffic. The efficiencies offered by IP packet networks often lead to lower cost infrastructure than ATM networks.

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