Cavalier Telephone Partners with Perimeter Internetworking to Add Comprehensive On-Demand Security Services to CavVelocity Business IP Offering.

MILFORD, Conn. -- Mid-Atlantic CLEC to Provide SMB Customers Complete and Cost Effective, On-Demand Security Services - No Assembly Required

Perimeter Internetworking(TM), the leading provider of Complete On-Demand managed security services, announced today that Cavalier Telephone, a leading provider of integrated local, long-distance, Internet and data communication services in the Mid-Atlantic region, will add the Perimeter Unified Threat Management (UTM) suite of services including Intrusion Defense, Malicious Code Defense and Secure Access suite of integrated security services to their Cutting Edge IP Productivity Suite. This will enable Cavalier to offer a comprehensive, cost effective suite of security service services to their small-to-medium-sized business (SMB) customers.

"We are very excited to partner with Cavalier Telephone," said Brad Miller, CEO of Perimeter Internetworking. "Cavalier is a highly innovative company providing leading edge business IP, voice and data services. Both of our companies share a common mission to bring state-of-the-art services that were once only available to the largest enterprises to SMBs in a price range that is within their reach."

Perimeter's UTM suite of security services for Cavalier Telephone combines dozens of technologies from best-of-breed vendors to incorporate cutting-edge solutions for services such as Traffic Policy Control, Intrusion Prevention, Web Content Filtering and Email AV scanning. The Perimeter UTM suite combines traditional firewall monitoring services with a centralized management platform that allows SMB customers the ability to manage and monitor their threat activity. Perimeter's turn-key solution provides communications service providers and resellers with a key differentiator at the point of sale and enables them to realize immediate, high margin, recurring revenues without any up front costs.

"Through our partnership with Perimeter Internetworking, we are going to take the inherent features of our networking capabilities, our voice expertise, our fast data services and our value added services like web conferencing, the customer portal, and web voicemail and layer security features on top of that for a highly comprehensive and compelling suite of services," said Andy Lobred, Vice President of Product Management and Marketing, Cavalier Telephone. "This increases customer satisfaction while providing us with a new competitive advantage and a new revenue stream. Our customers benefit from full IT security coverage and regulatory compliance, a single Cavalier web portal, a single bill and a single point of contact. They can start with a few basic services and add additional security services as they like on demand."

Perimeter's UTM suite offering blocks all malicious traffic before it enters or exits a customer's network. Perimeter provides an end user portal for Cavalier Telephone to integrate into their existing customer portal. This allows their customers to view and monitor Internet activity, security alarms and other events so that they can continuously view that their security is up to date for the latest attacks.

"CavVelocity Business IP" utilizes multiple technologies that enable Cavalier's SMB customers to take advantage of the many benefits inherent in next-generation Internet protocol based services. In addition to voice, data, and security services, CavVelocity Business IP will include Web conferencing, data backup services, a Customer Web Based Account Management portal and a Web interface to the hosted voicemail platform.

About Cavalier Telephone

Cavalier Telephone is a facilities-based, full-service local telephone company (CLEC) offering the latest in advanced telecommunications products, including advanced telephone features and high-speed Internet access for business and residential customers. Cavalier Telephone currently services over 35,000 business and 220,000 residential customers in Richmond, Hampton Roads, Northern Virginia, Maryland, Philadelphia, Delaware, Southern New Jersey, and the District of Columbia. For additional information regarding Cavalier Telephone contact Andy Lobred at [phone] .

About Perimeter Internetworking(TM)

Perimeter Internetworking(TM) is the leading provider of Complete On-Demand Security and the pioneer of multi-threat security-in-the-cloud services. Perimeter offers 50+ managed network security services including Intrusion Defense, Malicious Code Defense, Secure Email Services, Secure Access, Automated Compliance, and Network Services. Perimeter's unique centralized architecture, often referred to as a Security Utility or "Security In The Cloud", offers best-in-class, pre-integrated technology with complete redundancy, continuous upgrades, complemented with a 24/7 engineering staff of trained subject-matter experts.

Headquartered in Milford, CT, with six geographically distributed technical operations centers and three redundant datacenters, Perimeter's On-Demand Security Services are validated by CyberTrust and guaranteed for current and future regulatory compliance. For more information about Perimeter visit www.perimeterusa.com -or- [phone] opt # 2.