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Technology Stocks : Voice-on-the-net (VON), VoIP, Internet (IP) Telephony -- Ignore unavailable to you. Want to Upgrade?

To: Frank A. Coluccio who wrote (2400)	2/2/1999 5:20:00 PM
From: Kenneth E. Phillipps	Read Replies (1) \| Respond to of 3178

Nortel announces new SS7/IP Gateway The following PR describes the new gateway product. The following excerpt caught my attention. Perhaps, some of you can educate me if this product really has any new features. Ken Through the interface, the IPS7 architecture enables bi-directional signaling while insulating the two disparate networks from each other. This allows the SS7/IP gateway to meet the rigid requirements of the SS7 PSTN signaling environment, and the dynamic nature of the IP world, without conflict. In this way, IPS7 allows carriers to assemble VoIP networks that support the full range of SS7 intelligent capabilities, while isolating the SS7 network from unknown IP sources. Nortel Networks Announces Next Generation SS7/IP Signaling Gateway Application PR Newswire - February 02, 1999 11:50 SS7/IP gateway delivers large scale, carrier-class PSTN/IP integration RESEARCH TRIANGLE PARK, Feb. 2 /PRNewswire/ - Nortel Networks (NYSE: NT/TSE: NTL) today announced the deployment of a large-scale, carrier-class SS7/IP signaling gateway application on their advanced signaling engine--the Signaling Server platform. Designed as a true signaling integrator, the SS7/IP signaling gateway is optimized for emerging services such as Voice over Internet Protocol (VoIP). This advanced application reaches beyond simple SS7 over IP transport by delivering seamless intelligent services between the PSTN and IP worlds. The SS7/IP signaling gateway was placed into trials for a major U.S. competitive local exchange carrier (CLEC) in the fourth quarter of 1998. The SS7/IP signaling gateway introduces a next generation network element that provides true integration between IP networks and traditional circuit-switched TDM signaling. Appearing as a fully-transparent SS7 network node, the SS7/IP signaling gateway enables key operational attributes to the IP network, such as CLASS services; access to special prefix services (i.e.1-800 toll-free dialing); and the ability to intelligently route or reroute traffic between voice circuits. Network interoperability is supported through IPS7, a new protocol initiative that encompasses all SS7 and IP signaling protocols within a single, standardized ''open architecture.'' IPS7 fully integrates more than 15 protocols, including ISUP (phase one) and TCAP variants (phase two) to implement true carrier-class voice-over-IP (VoIP). For example, an ISUP message (for call setup from the PSTN to the IP network) is packaged into an IP signaling protocol and tunneled directly to a call controller. The call controller then completes the ISUP call setup, enabling the voice circuit. This is achieved through the SS7/IP signaling gateway's bi-directional interface. Through the interface, the IPS7 architecture enables bi-directional signaling while insulating the two disparate networks from each other. This allows the SS7/IP gateway to meet the rigid requirements of the SS7 PSTN signaling environment, and the dynamic nature of the IP world, without conflict. In this way, IPS7 allows carriers to assemble VoIP networks that support the full range of SS7 intelligent capabilities, while isolating the SS7 network from unknown IP sources. In future releases, the architecture will recognize the need and legitimacy of IP messages by establishing thresholds and performance factors. The SS7/IP signaling gateway represents a new class of advanced signaling functionality available to customers as a co-resident Signaling Server application. Applications co-resident on the flexible, scalable Signaling Server platform will enable customers to attack equipment and operational costs, while providing services for next generation networks. SOURCE Northern Telecom Limited /CONTACT: Joanne Latham, Nortel Networks, (919) 992-7851, joannel(at)nortelnetworks.com; Frank McNally, Nortel Networks, (703) 712-8374, fmcnally(at)nortelnetworks.com; Or visit Nortel Networks' web-site at www.nortelnetworks.com; Nortel's press releases are also available through CNO-Call by fax at 800-758-5804, ext. 122158 or at prnewswire.com /Company News On-Call: prnewswire.com or fax at 800-758-5804, ext. 122158/ (NTL. NT) Headlines Previous Story Next Story NTL. NT %TLS V%PRN P%PRN