Release Notes 1. Introduction
Version 2.6.0 5 February 2008
1 Introduction
The MP-202 is a two-line, Session Initiation Protocol (SIP) gateway allowing residential and small office
/ home office (SOHO) subscribers to connect ordinary “plain old telephone service” (POTS) telephones
or fax machines. The MP-202 is interoperable with leading soft-switches and SIP Application Servers
for enabling legacy phone services such as caller ID, call waiting, and call forwarding. In addition, the
MP-202 includes an internal router with DHCP, NAT and L2TP/PPTP/PPPoE capabilities, enabling
subscribers to connect their home PC or LAN hub/switch to it.
Utilizing AudioCodes’ VoIPerfect™ core architecture, and gaining from its accumulated experience in
providing IP telephony solutions, the MP-20x series combines superior voice quality and “state-of-the-
art” features for end users, such as T.38 Fax Relay and G.168-2004-compliant Echo Cancellation. Low
bit-rate vocoders (voice coders) can be used simultaneously on both telephony ports to save valuable
bandwidth. The “Voice over Data” prioritization algorithm prevents degradation in voice quality even
during large data transfers.
The MP-20x Series is designed for full interoperability with leading soft-switches and SIP Servers for
deployment in various network environments. Throughout the years, AudioCodes has invested
significant effort in establishing, and complying with, the leading and evolving VoIP standards. Support
of SIP, which is commonly found in Voice-over-Broadband (VoB) networks, assures seamless
integration and rapid deployment.
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