New Software Gives Carriers More Capacity, Speeds Upgrade Times, Delivers Advanced SIP Applications to Subscribers

Nortel* [OTC: NRTLQ] announced significant product enhancements to its carrier voice and multimedia product offerings that will allow service providers to increase network capacity, upgrade their networks more quickly and also improve the communication experience for residential and business subscribers.

These new enhancements, which are expected to be available in the third quarter of 2009, include the latest software releases of the Nortel’s Communication Server (CS) 2000 softswitch (Rel CVM13) and Nortel’s Adaptive Application Server SIP software engine (Rel A2E 7.0 SP1).

“Nortel is committed to its CVAS R&D and innovation as evident in these new product enhancements that offer more than 100 new end user features and give carriers more flexibility and capacity,” said Samih Elhage, president, Carrier VoIP and Application Solutions, Nortel.

“We’re leveraging our industry leadership more

Plugfest to Leverage Work of Diameter/Control Plane and BSS/OSS & Security Working Groups

Denver, CO – July 29, 2009 The NGN IMS Forumâ„¢ announced today that its eighth NGN IMS PlugfestTM will be held October 5 thru October 9th, 2009 at the InterOperability Lab (UNH IOL) in Durham, NH. The NGN IMS Forum Plugfests are the industry’s only interoperability events covering converged IMS and NGN services over wireless, wireline and cable broadband. Plugfest 8 will focus on Interoperability for voice and multimedia applications, BSS/OSS and Security inter and intra network: more

Company Adds to Network Interface Device Portfolio to Help Service Providers Reduce OpEx and CapEx When Providing Ethernet Services

Minneapolis, MN — May 13, 2009 — Transition Networks Inc., the fiber access technology expert, a wholly owned subsidiary of Communications Systems, Inc. (NASDAQ-GM: JCS), today announced the introduction of the S2250 and S3250 Network Interface Devices (NIDs). The S2250 and S3250 product families are specifically designed to help telecoms and cable providers to generate and preserve revenues when delivering Ethernet services. With the growing demand for business Ethernet services and mobile backhaul, these new NIDs enable service providers to offer tiered services with end-to-end Service Level Agreements (SLAs), while increasing customer satisfaction and keeping capital expenses (CapEx) to a minimum. The S2250 and S3250 product families are Metro Ethernet Forum (MEF) more