IP Service Assurance Probe provides experience visibility.

Press Release Summary:



Able to be managed by LoopCare(TM) Test Operations Support System, DigiTest® ICE(TM) IP Service Assurance Probe delivers suite of metallic, xDSL, and multi-layered IP service assurance applications optimized for remote low-line-count DSLAM applications. These include xDSL Pre-Qualification, Network Verification, and IP Service Assurance. Designed for flexible mounting configuration and low power consumption, solution delivers visibility into customer experience.



Original Press Release:



Tollgrade Introduces DigiTest® 'Ice' IP Service Assurance Probe at NXTComm 2007



PITTSBURGH, June 19 -- Tollgrade Communications, Inc. (NASDAQ:TLGD), a leading supplier of network service assurance products for the cable and telecom industries, today introduced the company's new DigiTest(R) ICE(TM) IP Service Assurance Probe for remote low-line-count DSLAM locations. Tollgrade's ICE product will be featured at Booth 7537 at NXTComm in Chicago, June 19-21, 2007.

As triple play services continue rapid growth through deployment over Fiber to the Node (FTTN) access methods, remote sites are supporting fewer subscribers via lower-line-count DSLAMs, located closer to the subscriber. As a result, service providers are challenged to provide more cost-effective and efficient service assurance solutions. The DigiTest ICE is uniquely designed for installation at these remote DSLAM locations, providing powerful visibility into the customer experience at an acceptable cost per line.

DigiTest ICE delivers a full suite of metallic, xDSL and multi-layered IP service assurance applications that have been optimized for remote low-line- count DSLAMs including:

o xDSL Pre-Qualification -- Analysis of a DSLAM-based metallic loop's ability to support a wide variety of xDSL services prior to service delivery.
o Network Verification -- Synchronization with xDSL DSLAM and CPE modems; ATM/Ethernet network emulation, enabling network connectivity, authentication and performance.
o IP Service Assurance -- High-speed Internet, VoIP and IPTV client emulation; allowing operators to remotely detect and isolate Layer 4-7 service performance troubles.

"With its compact size, flexible mounting configurations and low power consumption, DigiTest ICE provides service providers with a powerful service assurance solution for today's highly distributed IP triple play network architectures," stated Mark B. Peterson, Tollgrade's President and Chief Executive Officer. "When deployed in concert with DigiTest HUB(TM) at high- density central offices and DigiTest EDGE(R) at high-density remotes, DigiTest ICE is a great addition to our DigiTest product family, now providing optimal test coverage at every point within today's emerging FTTx access networks."

When managed by the LoopCare(TM) Test Operations Support System, Tollgrade's DigiTest product family, including DigiTest ICE, allows service providers to efficiently offer and maintain multiple IP services, proactively identify network issues and faults prior to subscriber trouble reports, reduce trouble ticket volume and minimize costly dispatches through expert trouble analysis. These benefits all translate into reduced operating expenses and increased subscriber satisfaction.

DigiTest ICE is currently available for customer trials, and is expected to be available for volume shipments beginning in the second half of 2007.

About Tollgrade

Tollgrade Communications, Inc. is a leading provider of network service assurance products and services for centralized test systems around the world. Tollgrade designs, engineers, markets and supports centralized test systems, test access and status monitoring products, and next generation network assurance technologies for the broadband marketplace. Tollgrade's customers range from the top RBOCs (Regional Bell Operating Companies) and Cable providers, to numerous independent telecom, cable and broadband providers around the world. Tollgrade's network testing, measurement and monitoring solutions support the infrastructure of cable and telecom companies offering current and emerging triple play services. Tollgrade, headquartered near Pittsburgh in Cheswick, Pa., and its products and customer reach span over 300 million embedded access lines, more than any other test and measurement supplier. For more information, visit Tollgrade's web site at www.tollgrade.com

(R) DigiTest and EDGE are registered trademarks of Tollgrade Communications, Inc.

(TM)LoopCare, ICE and HUB are trademarks of Tollgrade Communications, Inc.

CONTACT: Bob Butter of Corporate Communications, +1-412-820-1347 Office, +1-412-736-6186 Cell, bbutter@tollgrade.com, for Tollgrade +Communications, Inc.

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