Audiocodes Ltd. — Regulatory Filings 2006

Mar 9, 2006

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P R E S S R E L E A S E

Contacts Shirley Nakar Elizabeth Anderson AudioCodes Alan Weinkrantz And Company Tel: +972-3-976-4000 Tel: 254-772-5909 Shirley@audiocodes.com Elizabeth@weinkrantz.com

AudioCodes Chips Deliver VoIP Wideband Vocoding for Natural Voice Quality

AudioCodes’ AC49x Voice Over Packet Processors and MP-202 Telephone Adapters Offer Better than PSTN Voice Quality

Lod, Israel – March 09, 2006 – AudioCodes (NASDAQ: AUDC), a leading provider of Voice over Packet (VoP) technologies and Voice Network products, today announced the addition of Wideband Vocoding to its VoIPerfect™ DSP software, offering enhanced voice quality for VoIP Media Gateways, IP PBXs, IP phones, Residential Gateways and ATA products.

The integration of Wideband Vocoding into AudioCodes’ VoIPerfect™ DSP software, allows Original Equipment Manufacturers (OEMs) and Original Design Manufacturers (ODMs) using the AC49x Family of chips and the Tulip AC494 ATA, to provide state of the art products for next-generation telephony systems, focusing on high voice quality utilizing the increased bandwidth.

With the growing penetration of VoIP both in the Enterprise and the Residential markets, OEMs and Carriers are looking for value added features to replace traditional telephony. The addition of Wideband Vocoding, which improves the voice quality and naturalness of speech, has become a key feature in VoIP equipment. The AC49x family of chips, Tulip AC494 ATA and the recently announced MP-202 Analog Gateway provide vendors with a significant competitive advantage in the marketplace.

“With the rapid deployment of Voice over IP globally, wideband speech coding with efficient packet loss concealment, jitter management and wideband echo cancellation will become a dominant factor in VoIP services,” said Shaul Weissman, Vice President, VoIP processors at AudioCodes. “Using our renowned VoIPerfect™ DSP software with integrated wideband vocoding, allows vendors to better differentiate themselves in a market that is quickly commoditizing.”

AudioCodes Chips Deliver VoIP Wideband Vocoding

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AudioCodes’ AC49x Voice over Packet Processors offer better voice quality than the standard PSTN telephony:

The traditional Public Switch Telephony Network (PSTN) is limited to 300-3400 Hz for narrowband speech. Voice signals are sampled at a rate of 8 kHz, causing limitations to communication quality and comprehension. Wideband telephony refers to transmitting speech signals with bandwidth ranging between 50-7000 Hz, while the voice signals are sampled at a rate of 16 kHz. This effectively doubles the narrowband speech signal bandwidth and offers the caller “true voice” conversation. Compared to narrowband telephony, wideband contributes a sense of presence, enabling a natural and comfortable conversation. Usage of Wideband Vocoding also increases the complexity of other related VoIP algorithms such as Echo Cancellation, Tone detection and generation and more. AudioCodes VoP processors perform all these tasks, together with all other VoIP tasks, such as Jitter buffer, T.38 fax etc., to provide significantly better voice quality than what exists in the marketplace today.

AudioCodes will be exhibiting at VON Spring, San Jose, California, 14-17 March 2006 at Booth #1309.

About AudioCodes

AudioCodes Ltd. (NASDAQ: AUDC) enables the new voice infrastructure by providing innovative, reliable and cost-effective Voice over Packet technology and Voice Network products to OEMs, network equipment providers and system integrators. AudioCodes provides its customers and partners with a diverse range of flexible, comprehensive media gateway and media processing technologies, based on VoIPerfect™ -- AudioCodes' underlying, best-of-breed, core media gateway architecture. The company is a market leader in voice compression technology and is a key originator of the ITU G.723.1 standard for the emerging Voice over IP market. AudioCodes voice network products feature media gateway and media server platforms for packet-based applications in the converged, wireline, wireless, broadband access, and enhanced voice services markets. AudioCodes enabling technology products include VoIP and CTI communication boards, VoIP media gateway processors and modules, and CPE devices. Its customers include the leading telecom and data network equipment providers globally. AudioCodes' headquarters and R&D facilities are located in Israel with an R&D extension in the U.S. Other AudioCodes' offices are located in Europe, the Far East, and Latin America. For more information on AudioCodes, visit http://www.audiocodes.com.

Statements concerning AudioCodes’ business outlook or future economic performance; product introductions and plans and objectives related thereto; and statements concerning assumptions made or expectations as to any future events, conditions, performance or other matters, are “forward-looking statements’’ as that term is defined under U.S. Federal securities laws. Forward-looking statements are subject to various risks, uncertainties and other factors that could cause actual results to differ materially from those stated in such statements. These risks, uncertainties and factors include, but are not limited to: the effect of global economic conditions in general and conditions in AudioCodes’ industry and target markets in particular; shifts in supply and demand; market acceptance of new products and continuing products’ demand; the impact of competitive products and pricing on AudioCodes’ and its customers’ products and markets; timely product and technology development/upgrades and the ability to manage changes in market conditions as needed; and other factors detailed in AudioCodes’ filings with the Securities and Exchange Commission. AudioCodes assumes no obligation to update the information in this release.

AudioCodes Chips Deliver VoIP Wideband Vocoding

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AudioCodes, AC, Ardito, AudioCoded, NetCoder, TrunkPack, VoicePacketizer, MediaPack, Stretto, Mediant, VoIPerfect, IPmedia and Your Gateway to VoIP are trademarks or registered trademarks of AudioCodes Limited. All other products or trademarks are property of their respective owners.

AudioCodes Chips Deliver VoIP Wideband Vocoding

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