Internet Telephony: Siemens Announces Single Stage Dialing Voice over IP Solution for the EWSD Switch; One-Step Dialing Makes VoIP Simple to Use – Siemens Information and Communication Networks – Company Business and Marketing
Siemens Information and Communication Networks, Inc. Wednesday announced the introduction of a Single Stage VoIP (Voice over Internet Protocol) solution for its EWSD switching platform. Available on EWSD system software Release 17.0, this solution takes advantage of the EWSD system’s equal access capabilities to enable standard dialing procedures. For the end user this is a transparent, easy-to-use Voice over IP solution that offers the benefits of lower-cost long distance service. Service providers gain a new revenue stream in a highly competitive marketplace, and the ability to offer subscribers a choice between switched voice or VoIP calling. By combining VoIP gateway functionality with the EWSD switch, a VoIP call acquires many of the same characteristics as a call placed via an Inter-exchange carrier, including single stage dialing. Rather than having to dial into a gateway and then enter a PIN number before dialing the phone number of the called party, this solution lets users make a VoIP call similarly to a traditional voice call. When a call is placed this way, the EWSD system authenticates the calling party and identifies the customer’s preference for use of VoIP. Recognizing that the call is to be carried across the IP network, it routes it to an Interworking Unit (IWU) such as Siemens’ InterXpress 2000 via a Primary Rate Interface unit. The call is then passed along to the Directory Server where the called number is translated to the IP address of the VoIP gateway servicing that number. From here the IWU establishes an IP telephony connection to the far end gateway servicing the called party, which generates a local call via the public switched telephone network. This is a significant improvement over current VoIP implementations, which require multiple keypad entries. In this application, user authentication is made without user-ID or password since the EWSD system controls access to VoIP service. In addition to single-stage dialing, other key advantages of this solution are the ability of service providers to offer its VoIP customers value-added features available on the EWSD carrier switch, including Calling Card Service and Follow-on-Call. Additionally, VoIP calls can be originated via traditional and coin box telephones, or any device connected to the analog or ISDN interfaces. With 170 million ports deployed by over 300 public network operators, the EWSD switch is the most widely used switching system in the world. And based on recent FCC switch downtime statistics, it is also the most reliable. The EWSD system offers a single platform for local, tandem and long distance applications. Siemens Information and Communication Networks Inc., headquartered in Boca Raton, Fla., is a leading provider of information and telecommunications solutions to the public network service providers and enterprise customers in North America. The company is a subsidiary of Siemens AG, a global business leader with $66 billion in sales in the fiscal year ended September 1998. FMI: www.icn.siemens.com.
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