CATALYST TELECOM ENHANCES PORTFOLIO WITH ACME PACKET SESSION BORDER CONTROLLERS

GREENVLLE, SC - February 15, 2011 - Catalyst Telecom®, a sales unit of ScanSource®, Inc. {NASDAQ: SCSC}, and value-added distributor of voice, video and data convergence solutions, has signed a distribution agreement with Acme Packet, a leader in session border control solutions.

Acme Packet session border controllers (SBCs) enable the reliable delivery of trusted, first-class interactive communications (voice, video and multimedia) across IP network borders. Acme Packet SBCs support a variety of solutions, including SIP trunking, IP contact centers and hosted IP communications services for a wide range of businesses – from SMBs to large enterprises.

As end-to-end IP communications for voice and video become mainstream, enterprises recognize the need to ensure their networks are secure, applications interoperate and users experience reliable, high-quality services. Acme Packet’s solutions provide Catalyst Telecom’s reseller partners with an additional option for delivering secure, cost-effective, compliant IP communications solutions, including voice, video, data and multimedia, to their end-user customers.

“Acme Packet is an industry leader in providing session border control solutions. The partnership between our companies will serve our reseller customers well as they look to deliver secure, efficient IP solutions to their enterprise customers,” said John Black, president of Catalyst Telecom.

“SBCs are a critical tool for Catalyst resellers who provide value-added solutions for enterprises,” said Mark Vella, vice president of business development, Acme Packet. “This partnership connects Acme Packet with a network of leading resellers, expanding our reach to enterprise customers requiring a secure, interoperable and reliable SBC solution.”

For additional information on Catalyst Telecom, please visit www.catalysttelecom.com.

About Acme Packet
Acme Packet (NASDAQ: APKT), the leader in session border control solutions, enables the delivery of trusted, first-class interactive communications—voice, video and multimedia sessions—and data services across IP network borders. Our Net-Net family of session border controllers, multiservice security gateways and session routing proxies supports multiple applications in service provider, enterprise and contact center networks—from VoIP trunking to hosted enterprise and residential services to fixed-mobile convergence. They satisfy critical security, service assurance and regulatory requirements in wireline, cable and wireless networks; and support multiple protocols—SIP, H.323, MGCP/NCS, H.248 and RTSP—and multiple border points—service provider access and interconnect, and enterprise access and trunking. Over 10,000 Acme Packet systems have been deployed by more than 1,180 customers in 105 countries. They include 92 of the top 100 service providers in the world and 11 of the Fortune 25. For more information, contact us at +1 781.328.4400, or visit www.acmepacket.com.

About ScanSource, Inc.
ScanSource®, Inc. (NASDAQ: SCSC) is the leading international distributor of specialty technology products for resellers in North America, Latin America and Europe.

ScanSource POS & Barcoding delivers AIDC and POS solutions; Catalyst Telecom® and ScanSource Communications provide voice, video and converged communications equipment; and ScanSource Security offers physical security solutions. Founded in 1992, the company ranks #881 on the Fortune 1000. For more information, call the toll-free sales telephone number at 800.944.2432 or visit http://www.scansourceinc.com.