Dawn Sullivan
Schwartz Communications
781.684.0770
digium@schwartz-pr.com

Julie Webb
Digium, Inc.
256.428.6203
jwebb@digium.com

Asterisk® Creator and Digium Founder Leads the Open Source VoIP Charge at VoiceCon 2007

Mark Spencer joins Cisco, Avaya and Microsoft on VoIP Visionary Panel; Digium increases event presence with executive speakers, partners and new product demonstrations

SAN FRANCISCO (VoiceCon 2007) — August 21, 2007Digium®, Inc., the Asterisk® Company, today announced that Asterisk creator and Digium Founder Mark Spencer will join leaders from Cisco, Avaya, IBM, Microsoft, Siemens and Skype to discuss the future of VoIP and unified communications. Digium's Spencer will represent the open source telephony industry in this high-powered discussion as Digium continues its charge to move the revolutionary open source technology deeper into the enterprise market with emerging and new software architectures for unified communications.

Spencer's "Software Architecture and Unified Communications" panel will take place on Thursday, August 23 from 10:30 am-11:30 am. Also representing the open source industry at VoiceCon 2007 will be Digium's VP of Product Management Bill Miller who will present "Open Source's Role in Converged Networks" with Digium customer Southern Company, one of America's largest generators of electricity with 4.3 million customers. Miller's presentation will take place on Thursday, August 23 from 8:00-8:45 AM.

"As the sole maintainer of the genuine Asterisk code, Digium is excited to see open source's growing role at mainstream telephony events like VoiceCon 2007," said Spencer. "Asterisk has grown from an open source technology with limitless potential to a technology that is changing the IP business landscape. Digium will continue to be the Asterisk community's ambassador to the business world and offer solutions based upon the absolute latest in open source innovation."

Inside the VoiceCon 2007 "Digium Theatre"
In addition to executive speaking appearances, Digium will also provide product demonstrations of AsteriskNOW® and its new Asterisk Appliance® inside the Digium Theatre. PC Magazine recently called the Digium Asterisk Appliance "astonishingly compact" and loaded with "high-end features."

Digium premier solutions partners Switchvox and NeoPhonetics will also be present in the Digium Theatre to discuss and demonstrate their Asterisk-based SMB and enterprise solutions respectively.

For more information, or to schedule media interviews with Digium executives, please write to digium@schwartz-pr.com or call 781-684-0770.

About Digium
Digium®, Inc., the Asterisk® Company, created, owns and is the innovative force behind Asterisk, the most widely used open source telephony software. Since its founding in 1999, Digium has grown to become the open source alternative to the traditional communication providers, with offerings that cost as much as 80 percent less than proprietary voice communication platforms. Digium makes Asterisk available to the open source community under the GNU General Public License (GPL) and uses business-class Asterisk to power a broad family of products for small, medium and large businesses. The company's product line also includes a wide range of hardware to enable resellers and customers to design their own voice over IP (VoIP) systems. This year alone, Asterisk will support over 12 billion minutes of calls. Additional information is available at www.digium.com.

The Digium logo, Digium, Asterisk, Asterisk SCF, Switchvox, Asterisk Business Edition, AsteriskNOW, Asterisk Appliance and the Asterisk logo are trademarks of Digium, Inc. All other trademarks are property of their respective owners.

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